# Download PTU M.Tech. ECE 1st Semester 36203 ELECTRONICS SYSTEM DESIGN Question Paper

Download PTU. I.K. Gujral Punjab Technical University (IKGPTU) M.Tech. ECE 1st Semester 36203 ELECTRONICS SYSTEM DESIGN Question Paper.

1 | M-36203 (S9)-975

Roll No. Total No. of Pages : 02
Total No. of Questions : 08
M.Tech.(ECE) (Sem.?1)
ELECTRONICS SYSTEM DESIGN
Subject Code : EC-502
M.Code : 36203
Time : 3 Hrs. Max. Marks : 100

INSTRUCTION TO CANDIDATES :
1. Attempt any FIVE questions out of EIGHT questions.
2. Each question carries TWENTY marks.

1. a) Implement the function f = ?m(0, 2, 3, 6, 7, 11) + ? (1, 4, 8, 15) by using Q-M method.
10
b) Using the theorems minimize the following expression 10
F ABCD ABCD ABCD ABCD ABCD ABCD ABCD ABCD ? ? ? ? ? ? ? ?
2. a) Design and implement half and full subtractor using NOR gates. 12
b) Explain ROM and PLA. What is the difference between ROM and PLA? 8
3. a) Why shift registers are required? Discuss the various operation modes of shift
registers. 10
b) List the design steps for next state decoders. 10
4. Design a circuit that will compare two 2-bit number. Implement the circuit using only
NOR gates and then again repeat using only NAND gates? 20
5. a) What is a binary cell? Design a binary cell mentioning all appropriate design steps. 10
b) Define propagation delay? What is its significance? Also make a comparison between
open collector and tri-state bus systems. 10
6. Implement the function f = ?m (0, 4, 6, 7, 9, 12, 14) using ROM, PLA and 4 : 1
multiplexer. 20

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1 | M-36203 (S9)-975

Roll No. Total No. of Pages : 02
Total No. of Questions : 08
M.Tech.(ECE) (Sem.?1)
ELECTRONICS SYSTEM DESIGN
Subject Code : EC-502
M.Code : 36203
Time : 3 Hrs. Max. Marks : 100

INSTRUCTION TO CANDIDATES :
1. Attempt any FIVE questions out of EIGHT questions.
2. Each question carries TWENTY marks.

1. a) Implement the function f = ?m(0, 2, 3, 6, 7, 11) + ? (1, 4, 8, 15) by using Q-M method.
10
b) Using the theorems minimize the following expression 10
F ABCD ABCD ABCD ABCD ABCD ABCD ABCD ABCD ? ? ? ? ? ? ? ?
2. a) Design and implement half and full subtractor using NOR gates. 12
b) Explain ROM and PLA. What is the difference between ROM and PLA? 8
3. a) Why shift registers are required? Discuss the various operation modes of shift
registers. 10
b) List the design steps for next state decoders. 10
4. Design a circuit that will compare two 2-bit number. Implement the circuit using only
NOR gates and then again repeat using only NAND gates? 20
5. a) What is a binary cell? Design a binary cell mentioning all appropriate design steps. 10
b) Define propagation delay? What is its significance? Also make a comparison between
open collector and tri-state bus systems. 10
6. Implement the function f = ?m (0, 4, 6, 7, 9, 12, 14) using ROM, PLA and 4 : 1
multiplexer. 20

2 | M-36203 (S9)-975

7. a) Explain the purpose of grounding and shielding in digital systems. 8
b) What is tri-state logic circuit and how does it help building a tri-state bus system?
Discuss the advantages of this logic in reducing hardware in system implementation.12
8. Write short note on following : 20
a) PAL
b) Hazards
c) Wired Logic

NOTE : Disclosure of identity by writing mobile number or making passing request on any
page of Answer sheet will lead to UMC case against the Student.

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