DUET 2019 PhD in Informatics Institute of Informatics Communication Previous Queston Papers

Delhi University Entrance Test (DUET) 2019 PhD in Informatics Institute of Informatics Communication Previous Queston Papers

1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-

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1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
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DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]

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DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]

FirstRanker.com - FirstRanker's Choice
1)
2)
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4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]

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2)
3)
4)
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DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]
31)
32)
33)
2. [Option ID = 42094]
3. [Option ID = 42091]
4. [Option ID = 42092]
Correct Answer :-
[Option ID = 42091]
[Question ID = 25551]
1. [Option ID = 42199]
2. [Option ID = 42202]
3. [Option ID = 42200]
4. [Option ID = 42201]
Correct Answer :-
[Option ID = 42199]
[Question ID = 25553]
1. 0.5 [Option ID = 42210]
2. 0.333 [Option ID = 42208]
3. 1 [Option ID = 42207]
4. 3 [Option ID = 42209]
Correct Answer :-
1 [Option ID = 42207]
[Question ID = 25558]
1. [Option ID = 42228]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]
31)
32)
33)
2. [Option ID = 42094]
3. [Option ID = 42091]
4. [Option ID = 42092]
Correct Answer :-
[Option ID = 42091]
[Question ID = 25551]
1. [Option ID = 42199]
2. [Option ID = 42202]
3. [Option ID = 42200]
4. [Option ID = 42201]
Correct Answer :-
[Option ID = 42199]
[Question ID = 25553]
1. 0.5 [Option ID = 42210]
2. 0.333 [Option ID = 42208]
3. 1 [Option ID = 42207]
4. 3 [Option ID = 42209]
Correct Answer :-
1 [Option ID = 42207]
[Question ID = 25558]
1. [Option ID = 42228]
34)
35)
2. [Option ID = 42230]
3. [Option ID = 42229]
4. [Option ID = 42227]
Correct Answer :-
[Option ID = 42227]
[Question ID = 25534]
1. [Option ID = 42132]
2. [Option ID = 42133]
3. [Option ID = 42131]
4. [Option ID = 42134]
Correct Answer :-
[Option ID = 42131]
[Question ID = 25562]
1. [Option ID = 42244]
2. [Option ID = 42245]
3. [Option ID = 42246]
4. [Option ID = 42243]
Correct Answer :-
[Option ID = 42243]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]
31)
32)
33)
2. [Option ID = 42094]
3. [Option ID = 42091]
4. [Option ID = 42092]
Correct Answer :-
[Option ID = 42091]
[Question ID = 25551]
1. [Option ID = 42199]
2. [Option ID = 42202]
3. [Option ID = 42200]
4. [Option ID = 42201]
Correct Answer :-
[Option ID = 42199]
[Question ID = 25553]
1. 0.5 [Option ID = 42210]
2. 0.333 [Option ID = 42208]
3. 1 [Option ID = 42207]
4. 3 [Option ID = 42209]
Correct Answer :-
1 [Option ID = 42207]
[Question ID = 25558]
1. [Option ID = 42228]
34)
35)
2. [Option ID = 42230]
3. [Option ID = 42229]
4. [Option ID = 42227]
Correct Answer :-
[Option ID = 42227]
[Question ID = 25534]
1. [Option ID = 42132]
2. [Option ID = 42133]
3. [Option ID = 42131]
4. [Option ID = 42134]
Correct Answer :-
[Option ID = 42131]
[Question ID = 25562]
1. [Option ID = 42244]
2. [Option ID = 42245]
3. [Option ID = 42246]
4. [Option ID = 42243]
Correct Answer :-
[Option ID = 42243]
36)
37)
38)
39)
[Question ID = 25563]
1. Circles and Hyperbolas [Option ID = 42250]
2. Hyperbolas and Circles [Option ID = 42248]
3. Hyperbolas and Parabolas [Option ID = 42247]
4. Parabolas and Circles [Option ID = 42249]
Correct Answer :-
Hyperbolas and Parabolas [Option ID = 42247]
[Question ID = 25526]
1. [Option ID = 42101]
2. [Option ID = 42102]
3. [Option ID = 42100]
4. [Option ID = 42099]
Correct Answer :-
[Option ID = 42099]
[Question ID = 25538]
1. zero and half integer [Option ID = 42147]
2. half integer and zero [Option ID = 42148]
3. Both half integer [Option ID = 42150]
4. an integer and half integer [Option ID = 42149]
Correct Answer :-
zero and half integer [Option ID = 42147]
[Question ID = 25564]
1. [Option ID = 42252]
2. [Option ID = 42251]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]
31)
32)
33)
2. [Option ID = 42094]
3. [Option ID = 42091]
4. [Option ID = 42092]
Correct Answer :-
[Option ID = 42091]
[Question ID = 25551]
1. [Option ID = 42199]
2. [Option ID = 42202]
3. [Option ID = 42200]
4. [Option ID = 42201]
Correct Answer :-
[Option ID = 42199]
[Question ID = 25553]
1. 0.5 [Option ID = 42210]
2. 0.333 [Option ID = 42208]
3. 1 [Option ID = 42207]
4. 3 [Option ID = 42209]
Correct Answer :-
1 [Option ID = 42207]
[Question ID = 25558]
1. [Option ID = 42228]
34)
35)
2. [Option ID = 42230]
3. [Option ID = 42229]
4. [Option ID = 42227]
Correct Answer :-
[Option ID = 42227]
[Question ID = 25534]
1. [Option ID = 42132]
2. [Option ID = 42133]
3. [Option ID = 42131]
4. [Option ID = 42134]
Correct Answer :-
[Option ID = 42131]
[Question ID = 25562]
1. [Option ID = 42244]
2. [Option ID = 42245]
3. [Option ID = 42246]
4. [Option ID = 42243]
Correct Answer :-
[Option ID = 42243]
36)
37)
38)
39)
[Question ID = 25563]
1. Circles and Hyperbolas [Option ID = 42250]
2. Hyperbolas and Circles [Option ID = 42248]
3. Hyperbolas and Parabolas [Option ID = 42247]
4. Parabolas and Circles [Option ID = 42249]
Correct Answer :-
Hyperbolas and Parabolas [Option ID = 42247]
[Question ID = 25526]
1. [Option ID = 42101]
2. [Option ID = 42102]
3. [Option ID = 42100]
4. [Option ID = 42099]
Correct Answer :-
[Option ID = 42099]
[Question ID = 25538]
1. zero and half integer [Option ID = 42147]
2. half integer and zero [Option ID = 42148]
3. Both half integer [Option ID = 42150]
4. an integer and half integer [Option ID = 42149]
Correct Answer :-
zero and half integer [Option ID = 42147]
[Question ID = 25564]
1. [Option ID = 42252]
2. [Option ID = 42251]
40)
41)
42)
3. [Option ID = 42253]
4. [Option ID = 42254]
Correct Answer :-
[Option ID = 42251]
[Question ID = 25560]
1. 2 [Option ID = 42237]
2. 0 [Option ID = 42236]
3. 1 [Option ID = 42235]
4. 3 [Option ID = 42238]
Correct Answer :-
1 [Option ID = 42235]
[Question ID = 25532]
1. [Option ID = 42123]
2. [Option ID = 42126]
3. [Option ID = 42125]
4. [Option ID = 42124]
Correct Answer :-
[Option ID = 42123]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]
31)
32)
33)
2. [Option ID = 42094]
3. [Option ID = 42091]
4. [Option ID = 42092]
Correct Answer :-
[Option ID = 42091]
[Question ID = 25551]
1. [Option ID = 42199]
2. [Option ID = 42202]
3. [Option ID = 42200]
4. [Option ID = 42201]
Correct Answer :-
[Option ID = 42199]
[Question ID = 25553]
1. 0.5 [Option ID = 42210]
2. 0.333 [Option ID = 42208]
3. 1 [Option ID = 42207]
4. 3 [Option ID = 42209]
Correct Answer :-
1 [Option ID = 42207]
[Question ID = 25558]
1. [Option ID = 42228]
34)
35)
2. [Option ID = 42230]
3. [Option ID = 42229]
4. [Option ID = 42227]
Correct Answer :-
[Option ID = 42227]
[Question ID = 25534]
1. [Option ID = 42132]
2. [Option ID = 42133]
3. [Option ID = 42131]
4. [Option ID = 42134]
Correct Answer :-
[Option ID = 42131]
[Question ID = 25562]
1. [Option ID = 42244]
2. [Option ID = 42245]
3. [Option ID = 42246]
4. [Option ID = 42243]
Correct Answer :-
[Option ID = 42243]
36)
37)
38)
39)
[Question ID = 25563]
1. Circles and Hyperbolas [Option ID = 42250]
2. Hyperbolas and Circles [Option ID = 42248]
3. Hyperbolas and Parabolas [Option ID = 42247]
4. Parabolas and Circles [Option ID = 42249]
Correct Answer :-
Hyperbolas and Parabolas [Option ID = 42247]
[Question ID = 25526]
1. [Option ID = 42101]
2. [Option ID = 42102]
3. [Option ID = 42100]
4. [Option ID = 42099]
Correct Answer :-
[Option ID = 42099]
[Question ID = 25538]
1. zero and half integer [Option ID = 42147]
2. half integer and zero [Option ID = 42148]
3. Both half integer [Option ID = 42150]
4. an integer and half integer [Option ID = 42149]
Correct Answer :-
zero and half integer [Option ID = 42147]
[Question ID = 25564]
1. [Option ID = 42252]
2. [Option ID = 42251]
40)
41)
42)
3. [Option ID = 42253]
4. [Option ID = 42254]
Correct Answer :-
[Option ID = 42251]
[Question ID = 25560]
1. 2 [Option ID = 42237]
2. 0 [Option ID = 42236]
3. 1 [Option ID = 42235]
4. 3 [Option ID = 42238]
Correct Answer :-
1 [Option ID = 42235]
[Question ID = 25532]
1. [Option ID = 42123]
2. [Option ID = 42126]
3. [Option ID = 42125]
4. [Option ID = 42124]
Correct Answer :-
[Option ID = 42123]
43)
44)
[Question ID = 25533]
1. zero [Option ID = 42127]
2. 4a [Option ID = 42130]
3. a [Option ID = 42129]
4. 2a [Option ID = 42128]
Correct Answer :-
zero [Option ID = 42127]
[Question ID = 25557]
1. [Option ID = 42223]
2. [Option ID = 42224]
3. [Option ID = 42225]
4. [Option ID = 42226]
Correct Answer :-
[Option ID = 42223]
A solid uniform drum of mass M radius R rolls without slipping down a plane inclined at an angle ?. Find
its acceleration?
[Question ID = 25523]
1. [Option ID = 42088]
2. [Option ID = 42089]
3. [Option ID = 42090]
4. [Option ID = 42087]
Correct Answer :-
[Option ID = 42087]

FirstRanker.com - FirstRanker's Choice
1)
2)
3)
4)
5)
DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]
31)
32)
33)
2. [Option ID = 42094]
3. [Option ID = 42091]
4. [Option ID = 42092]
Correct Answer :-
[Option ID = 42091]
[Question ID = 25551]
1. [Option ID = 42199]
2. [Option ID = 42202]
3. [Option ID = 42200]
4. [Option ID = 42201]
Correct Answer :-
[Option ID = 42199]
[Question ID = 25553]
1. 0.5 [Option ID = 42210]
2. 0.333 [Option ID = 42208]
3. 1 [Option ID = 42207]
4. 3 [Option ID = 42209]
Correct Answer :-
1 [Option ID = 42207]
[Question ID = 25558]
1. [Option ID = 42228]
34)
35)
2. [Option ID = 42230]
3. [Option ID = 42229]
4. [Option ID = 42227]
Correct Answer :-
[Option ID = 42227]
[Question ID = 25534]
1. [Option ID = 42132]
2. [Option ID = 42133]
3. [Option ID = 42131]
4. [Option ID = 42134]
Correct Answer :-
[Option ID = 42131]
[Question ID = 25562]
1. [Option ID = 42244]
2. [Option ID = 42245]
3. [Option ID = 42246]
4. [Option ID = 42243]
Correct Answer :-
[Option ID = 42243]
36)
37)
38)
39)
[Question ID = 25563]
1. Circles and Hyperbolas [Option ID = 42250]
2. Hyperbolas and Circles [Option ID = 42248]
3. Hyperbolas and Parabolas [Option ID = 42247]
4. Parabolas and Circles [Option ID = 42249]
Correct Answer :-
Hyperbolas and Parabolas [Option ID = 42247]
[Question ID = 25526]
1. [Option ID = 42101]
2. [Option ID = 42102]
3. [Option ID = 42100]
4. [Option ID = 42099]
Correct Answer :-
[Option ID = 42099]
[Question ID = 25538]
1. zero and half integer [Option ID = 42147]
2. half integer and zero [Option ID = 42148]
3. Both half integer [Option ID = 42150]
4. an integer and half integer [Option ID = 42149]
Correct Answer :-
zero and half integer [Option ID = 42147]
[Question ID = 25564]
1. [Option ID = 42252]
2. [Option ID = 42251]
40)
41)
42)
3. [Option ID = 42253]
4. [Option ID = 42254]
Correct Answer :-
[Option ID = 42251]
[Question ID = 25560]
1. 2 [Option ID = 42237]
2. 0 [Option ID = 42236]
3. 1 [Option ID = 42235]
4. 3 [Option ID = 42238]
Correct Answer :-
1 [Option ID = 42235]
[Question ID = 25532]
1. [Option ID = 42123]
2. [Option ID = 42126]
3. [Option ID = 42125]
4. [Option ID = 42124]
Correct Answer :-
[Option ID = 42123]
43)
44)
[Question ID = 25533]
1. zero [Option ID = 42127]
2. 4a [Option ID = 42130]
3. a [Option ID = 42129]
4. 2a [Option ID = 42128]
Correct Answer :-
zero [Option ID = 42127]
[Question ID = 25557]
1. [Option ID = 42223]
2. [Option ID = 42224]
3. [Option ID = 42225]
4. [Option ID = 42226]
Correct Answer :-
[Option ID = 42223]
A solid uniform drum of mass M radius R rolls without slipping down a plane inclined at an angle ?. Find
its acceleration?
[Question ID = 25523]
1. [Option ID = 42088]
2. [Option ID = 42089]
3. [Option ID = 42090]
4. [Option ID = 42087]
Correct Answer :-
[Option ID = 42087]
45)
46)
47)
48)
49)
Which of the following functions is analytic over the entire complex plane? [Question ID = 25566]
1. [Option ID = 42259]
2. [Option ID = 42261]
3. [Option ID = 42262]
4. [Option ID = 42260]
Correct Answer :-
[Option ID = 42259]
The probability that an electron in a metal occupies the fermi level , at any temperature (T>0)
[Question ID = 25539]
1. 1 [Option ID = 42152]
2. 2.0 [Option ID = 42154]
3. 0 [Option ID = 42151]
4. 0.5 [Option ID = 42153]
Correct Answer :-
0 [Option ID = 42151]
The Laplace transform of a unit ramp function starting at t=a , is
[Question ID = 25569]
1. [Option ID = 42272]
2. [Option ID = 42274]
3. [Option ID = 42273]
4. [Option ID = 42271]
Correct Answer :-
[Option ID = 42271]
An equivalent 2?s complement representation of 2?s complement number 1101 is [Question ID = 25544]
1. 110111 [Option ID = 42173]
2. 001101 [Option ID = 42172]
3. 110100 [Option ID = 42171]
4. 111101 [Option ID = 42174]
Correct Answer :-
110100 [Option ID = 42171]
An FM signal with modulation index 9 is applied to a frequency tripler. The modulation index in the output
signal will be [Question ID = 25552]
1. 0 [Option ID = 42203]
2. 9 [Option ID = 42206]
3. 27 [Option ID = 42204]

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DU PhD in informacs IIC
Topic:- DU_J19_PHD_INFO
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48dB and
2dB respectively, then its common rejection ratio is [Question ID = 25541]
1. 23dB [Option ID = 42159]
2. 46dB [Option ID = 42162]
3. 50dB [Option ID = 42161]
4. 25dB [Option ID = 42160]
Correct Answer :-
23dB [Option ID = 42159]
A video transmission system transmits 625 picture frames per second. Each frame consists of a 400?400
pixel grid with 64 intensity levels per pixel. The data rate of the system is [Question ID = 25555]
1. 600Mbps [Option ID = 42218]
2. 6.4Gbps [Option ID = 42216]
3. 100Mbps [Option ID = 42217]
4. 16Mbps [Option ID = 42215]
Correct Answer :-
16Mbps [Option ID = 42215]
The minimum number of comparators required to build an 8-bit flash ADC is [Question ID = 25550]
1. 256 [Option ID = 42198]
2. 255 [Option ID = 42197]
3. 8 [Option ID = 42195]
4. 63 [Option ID = 42196]
Correct Answer :-
8 [Option ID = 42195]
The minimum number of MOS transistors required to make a dynamic RAM cell is [Question ID = 25549]
1. 2 [Option ID = 42192]
2. 1 [Option ID = 42191]
3. 3 [Option ID = 42193]
4. 4 [Option ID = 42194]
Correct Answer :-
1 [Option ID = 42191]
Two 2?s complement numbers having signs bits x and y are added and the sign bit of the result is z. Then,
the occurrence of overflow is indicated by the Boolean function
[Question ID = 25545]
1. [Option ID = 42175]
2. [Option ID = 42178]
3. [Option ID = 42176]
4. [Option ID = 42177]
Correct Answer :-
6)
7)
8)
9)
10)
[Option ID = 42175]
A 0 and 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination
circuit consists of [Question ID = 25547]
1. one OR gate [Option ID = 42184]
2. two AND gate [Option ID = 42186]
3. one AND gate and one OR gate [Option ID = 42185]
4. one AND gate [Option ID = 42183]
Correct Answer :-
one AND gate [Option ID = 42183]
X=01110 and Y=11001 are two 5-bit binary numbers represented in two?s complement format. The sum of
X and Y represented in two?s complement format using 6 bits is
[Question ID = 25543]
1. 001000 [Option ID = 42168]
2. 100111 [Option ID = 42167]
3. 101001 [Option ID = 42170]
4. 000111 [Option ID = 42169]
Correct Answer :-
100111 [Option ID = 42167]
In an M/M/1 queue for arrival rate ? and service rate ?, the average number of customer in the system is
given by [Question ID = 25572]
1. [Option ID = 42286]
2. [Option ID = 42284]
3. [Option ID = 42285]
4. [Option ID = 42283]
Correct Answer :-
[Option ID = 42283]
The depth of penetration of electromagnetic wave in a medium having conductivity ? at a frequency of
1MHz is 25cm . The depth of penetration at a frequency of 4MHz will be [Question ID = 25528]
1. 12.50cm [Option ID = 42109]
2. 6.25cm [Option ID = 42107]
3. 50.0cm [Option ID = 42108]
4. 100.0cm [Option ID = 42110]
Correct Answer :-
6.25cm [Option ID = 42107]
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1k? and output
resistance of 250?, are cascaded. The open circuit voltage gain of the combined amplifier is [Question ID =
25542]
1. 98dB [Option ID = 42164]
2. 102dB [Option ID = 42166]
3. 51dB [Option ID = 42165]
11)
12)
13)
14)
15)
4. 49dB [Option ID = 42163]
Correct Answer :-
49dB [Option ID = 42163]
A master-slave flip-flop has the characteristic that [Question ID = 25548]
1. change in the output occurs when the state of the slave is affected. [Option ID = 42189]
2. change in the output occurs when the state of the master is affected. [Option ID = 42188]
3. change in the input immediately reflected in the output [Option ID = 42187]
4. both the master and the slave states are affected at the same time. [Option ID = 42190]
Correct Answer :-
change in the input immediately reflected in the output [Option ID = 42187]
For an energy state E of a photon gas , the density of states is proportional to [Question ID = 25536]
1. [Option ID = 42141]
2. [Option ID = 42140]
3. [Option ID = 42139]
4. [Option ID = 42142]
Correct Answer :-
[Option ID = 42139]
The equation of motion of a bead sliding on a uniform rod rotating in a force free space is [Question ID =
25525]
1. [Option ID = 42095]
2. [Option ID = 42098]
3. [Option ID = 42096]
4. [Option ID = 42097]
Correct Answer :-
[Option ID = 42095]
The line code that has zero dc component for pulse transmission of random binary data is [Question ID =
25554]
1. alternate mark inversion (AMI) [Option ID = 42213]
2. non-return to zero (NRZ) [Option ID = 42211]
3. return to zero(RZ) [Option ID = 42212]
4. none of these [Option ID = 42214]
Correct Answer :-
non-return to zero (NRZ) [Option ID = 42211]
16)
17)
18)
[Question ID = 25565]
1. [Option ID = 42257]
2. [Option ID = 42256]
3. [Option ID = 42258]
4. [Option ID = 42255]
Correct Answer :-
[Option ID = 42255]
[Question ID = 25561]
1. 0.3, -2.5, 0.5 [Option ID = 42239]
2. 4.0, 3.0, 2.0 [Option ID = 42242]
3. 0.0, 3.0, 2.0 [Option ID = 42240]
4. 0.3, 0.33, 0.5 [Option ID = 42241]
Correct Answer :-
0.3, -2.5, 0.5 [Option ID = 42239]
[Question ID = 25568]
1. [Option ID = 42267]
2. [Option ID = 42269]
3. [Option ID = 42268]
4. [Option ID = 42270]
Correct Answer :-
[Option ID = 42267]
19)
20)
[Question ID = 25567]
1. [Option ID = 42266]
2. [Option ID = 42265]
3. [Option ID = 42264]
4. [Option ID = 42263]
Correct Answer :-
[Option ID = 42263]
[Question ID = 25559]
1. [Option ID = 42232]
2. [Option ID = 42231]
3. [Option ID = 42233]
4. [Option ID = 42234]
Correct Answer :-
[Option ID = 42231]
[Question ID = 25531]
1. [Option ID = 42120]
2. [Option ID = 42122]
3. [Option ID = 42121]
4. [Option ID = 42119]
Correct Answer :-
21)
22)
23)
24)
[Option ID = 42119]
[Question ID = 25537]
1. 0.51MeV [Option ID = 42143]
2. 1.04MeV [Option ID = 42144]
3. 7.17MeV [Option ID = 42146]
4. 2.08NeV [Option ID = 42145]
Correct Answer :-
0.51MeV [Option ID = 42143]
[Question ID = 25540]
1. [Option ID = 42157]
2. [Option ID = 42155]
3. [Option ID = 42158]
4. [Option ID = 42156]
Correct Answer :-
[Option ID = 42155]
[Question ID = 25535]
1. [Option ID = 42135]
2. [Option ID = 42138]
3. [Option ID = 42137]
4. [Option ID = 42136]
Correct Answer :-
[Option ID = 42135]
25)
26)
27)
[Question ID = 25571]
1. 0.379 [Option ID = 42280]
2. 0.479 [Option ID = 42281]
3. 0.579 [Option ID = 42282]
4. 0.279 [Option ID = 42279]
Correct Answer :-
0.279 [Option ID = 42279]
[Question ID = 25529]
1. 5.0 MHz [Option ID = 42114]
2. 5.0 GHz [Option ID = 42113]
3. 6.25 GHz [Option ID = 42111]
4. 6.25 MHz [Option ID = 42112]
Correct Answer :-
6.25 GHz [Option ID = 42111]
[Question ID = 25530]
1. [Option ID = 42117]
2. [Option ID = 42116]
3. [Option ID = 42118]
4. [Option ID = 42115]
Correct Answer :-
[Option ID = 42115]
[Question ID = 25570]
28)
29)
30)
1. [Option ID = 42278]
2. [Option ID = 42277]
3. [Option ID = 42276]
4. [Option ID = 42275]
Correct Answer :-
[Option ID = 42275]
[Question ID = 25546]
1. X [Option ID = 42179]
2. X+Y [Option ID = 42182]
3. XY [Option ID = 42181]
4. Y [Option ID = 42180]
Correct Answer :-
X [Option ID = 42179]
[Question ID = 25527]
1. [Option ID = 42105]
2. [Option ID = 42103]
3. [Option ID = 42106]
4. [Option ID = 42104]
Correct Answer :-
[Option ID = 42103]
[Question ID = 25524]
1. [Option ID = 42093]
31)
32)
33)
2. [Option ID = 42094]
3. [Option ID = 42091]
4. [Option ID = 42092]
Correct Answer :-
[Option ID = 42091]
[Question ID = 25551]
1. [Option ID = 42199]
2. [Option ID = 42202]
3. [Option ID = 42200]
4. [Option ID = 42201]
Correct Answer :-
[Option ID = 42199]
[Question ID = 25553]
1. 0.5 [Option ID = 42210]
2. 0.333 [Option ID = 42208]
3. 1 [Option ID = 42207]
4. 3 [Option ID = 42209]
Correct Answer :-
1 [Option ID = 42207]
[Question ID = 25558]
1. [Option ID = 42228]
34)
35)
2. [Option ID = 42230]
3. [Option ID = 42229]
4. [Option ID = 42227]
Correct Answer :-
[Option ID = 42227]
[Question ID = 25534]
1. [Option ID = 42132]
2. [Option ID = 42133]
3. [Option ID = 42131]
4. [Option ID = 42134]
Correct Answer :-
[Option ID = 42131]
[Question ID = 25562]
1. [Option ID = 42244]
2. [Option ID = 42245]
3. [Option ID = 42246]
4. [Option ID = 42243]
Correct Answer :-
[Option ID = 42243]
36)
37)
38)
39)
[Question ID = 25563]
1. Circles and Hyperbolas [Option ID = 42250]
2. Hyperbolas and Circles [Option ID = 42248]
3. Hyperbolas and Parabolas [Option ID = 42247]
4. Parabolas and Circles [Option ID = 42249]
Correct Answer :-
Hyperbolas and Parabolas [Option ID = 42247]
[Question ID = 25526]
1. [Option ID = 42101]
2. [Option ID = 42102]
3. [Option ID = 42100]
4. [Option ID = 42099]
Correct Answer :-
[Option ID = 42099]
[Question ID = 25538]
1. zero and half integer [Option ID = 42147]
2. half integer and zero [Option ID = 42148]
3. Both half integer [Option ID = 42150]
4. an integer and half integer [Option ID = 42149]
Correct Answer :-
zero and half integer [Option ID = 42147]
[Question ID = 25564]
1. [Option ID = 42252]
2. [Option ID = 42251]
40)
41)
42)
3. [Option ID = 42253]
4. [Option ID = 42254]
Correct Answer :-
[Option ID = 42251]
[Question ID = 25560]
1. 2 [Option ID = 42237]
2. 0 [Option ID = 42236]
3. 1 [Option ID = 42235]
4. 3 [Option ID = 42238]
Correct Answer :-
1 [Option ID = 42235]
[Question ID = 25532]
1. [Option ID = 42123]
2. [Option ID = 42126]
3. [Option ID = 42125]
4. [Option ID = 42124]
Correct Answer :-
[Option ID = 42123]
43)
44)
[Question ID = 25533]
1. zero [Option ID = 42127]
2. 4a [Option ID = 42130]
3. a [Option ID = 42129]
4. 2a [Option ID = 42128]
Correct Answer :-
zero [Option ID = 42127]
[Question ID = 25557]
1. [Option ID = 42223]
2. [Option ID = 42224]
3. [Option ID = 42225]
4. [Option ID = 42226]
Correct Answer :-
[Option ID = 42223]
A solid uniform drum of mass M radius R rolls without slipping down a plane inclined at an angle ?. Find
its acceleration?
[Question ID = 25523]
1. [Option ID = 42088]
2. [Option ID = 42089]
3. [Option ID = 42090]
4. [Option ID = 42087]
Correct Answer :-
[Option ID = 42087]
45)
46)
47)
48)
49)
Which of the following functions is analytic over the entire complex plane? [Question ID = 25566]
1. [Option ID = 42259]
2. [Option ID = 42261]
3. [Option ID = 42262]
4. [Option ID = 42260]
Correct Answer :-
[Option ID = 42259]
The probability that an electron in a metal occupies the fermi level , at any temperature (T>0)
[Question ID = 25539]
1. 1 [Option ID = 42152]
2. 2.0 [Option ID = 42154]
3. 0 [Option ID = 42151]
4. 0.5 [Option ID = 42153]
Correct Answer :-
0 [Option ID = 42151]
The Laplace transform of a unit ramp function starting at t=a , is
[Question ID = 25569]
1. [Option ID = 42272]
2. [Option ID = 42274]
3. [Option ID = 42273]
4. [Option ID = 42271]
Correct Answer :-
[Option ID = 42271]
An equivalent 2?s complement representation of 2?s complement number 1101 is [Question ID = 25544]
1. 110111 [Option ID = 42173]
2. 001101 [Option ID = 42172]
3. 110100 [Option ID = 42171]
4. 111101 [Option ID = 42174]
Correct Answer :-
110100 [Option ID = 42171]
An FM signal with modulation index 9 is applied to a frequency tripler. The modulation index in the output
signal will be [Question ID = 25552]
1. 0 [Option ID = 42203]
2. 9 [Option ID = 42206]
3. 27 [Option ID = 42204]
50)
4. 3 [Option ID = 42205]
Correct Answer :-
0 [Option ID = 42203]
The bit rate of digital communication system is R kbits/s . The modulation used is 32-QAM. The minimum
bandwidth required for ISI free transmission is [Question ID = 25556]
1. [Option ID = 42222]
2. [Option ID = 42221]
3. [Option ID = 42219]
4. [Option ID = 42220]
Correct Answer :-
[Option ID = 42219]

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This post was last modified on 19 June 2020