Download AKTU B-Tech 4th Sem 2014-15 Introduction To Microprocessor Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 4th Semester (Fourth Semester) 2014-15 Introduction To Microprocessor Question Paper

Printed Pages : 3
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. (Following Paper ID .and Roll No. to be filled in your Answer Book)
PAPER ID : 131409
Roll No. i
B. Tech.
(SEM. IV) THEORY EXAIVIINATION, 2014-15
INTRODUCTION TO MICROPROCESSOR
Tlme : 3 Hours] . ' [Total Marks : 100
1 Attempt any FOUR'questions of the following : 4X5=20
a. . Explain the evolutib?h of microprocessor in brief.
Determine the result of A ea?er the execution of the
following program-
MVI A, 13H ADI 41 H
INR A ' ADD A
XRA A
b. How instruction-cycle, Whine cycle and clock cycle
are related? 'Exp'lain them With proper sle?tches?
c. Write A'LP to {bad A wfth 40 H & -subtra?ct 29 H from
it. Multiply the 'result by "2 '& store the result in the
Reg'ster L. ,
d. Explain the whence 'b?tWeen (1) RAM and ROM
(2) SIM and RM.
e. Emhin the Memory mapped I/O and Pedpheral Mapped
I/O.
Buoy] 1 [ Contd...

b.
131409]
Attempt any two questions of the following :
a.
Attempt any two questions of the following:
a. ?
Attempt any FOUR questions of the following : 4X5=20
a.
List the four operatiOns commohly performed by the
MPU. ?
What is ?ag? Explain each ?ag of 8085 microprocessor.
How many address lines are necessary to address
8 K byte of memory?
What is function of accumulator?
What is transparent latch, and why it is necessary to
use a latch with output device?
If the clock frequency is 5 MHZ, how much time is
required to execute an instruction of 18-T states?
2X10=20
Explain the interrupts used in 8085 brie?y. What is the
difference between 8085 & 8086?
With a neat diagram describe the internal architecture
of 8085. State the function of each block shown.
What is the di??erence between Maximum and Minimum
mode of operation in 8086?
2X10=20
Discuss internal blockldiagram of 8237 and explain the
operating mode of 8237 A
Explain the advantages of dividing memory into segments.
How is the 20 bit physical address for memory
generated? Explain with example.
Discuss the following.
1. Instruction cycle and Machine cycle
2. T-states with typical timing diagram.
2 [ Contd...
5
a.
bi
C.
131409]
Attempt any TWO questions of the following : 2X10=20
Discuss the various logic devices used in interfacing
circuits.
Explain the function of the following instructions :
1 . SN
2. PUSH
3 . DAA
4. XCHG
5. CALL
Draw the timing diagram of the following instruction :
1. ADD B
2. CALL 2050 H.
3 . [ 18800 ]