Dr Bhim Rao Ambedkar University 2006 B.Tech Information Technology Advance Microprocessors - university paper

H-491
THIRD YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-1) EXAMINATION, 2006

ADVANCED MICROPROCESSORS

Total Marks: 100
Time: 10.00p.m. To 1.00p.m.

Instructions:

Instructions:
1) Solve any 3 ques. from SECTION-1
2) Solve any 3 ques. from SECTION-2
3) Figures to right shows full marks

SECTION-1

Q.1.
a) Draw 8086 CPU architecture and discuss.

b) With the help of 8086 minimum mode timing diagram discuss learn operation. [Marks 8]

Q.2
a) Explain working of subsequent pins of 8086

b) Test
c) BHE
d) LOCK
e) X1 andX2 [Marks 8]
b) What is REP prefix? elaborate the advantages of it in program execution? [Marks 8]

Q.3
a) Draw and discuss 8086 maximum mode configuration. [Marks 8]

b) What is kind 0 interrupting in 8086? Hoe 8086 responds when it is invoked? [Marks 8]


Q.4
a) Explain any five-assembler directives used in 8086 assembly language programming.

b) Write an 8086 assembly language program for block transfer of length 20 numbers from 6000H to 7000H





SECTION-2

Q. 5)
a) Draw an internal architecture of 80386 and discuss the operation of Barrel shifter adder. [Marks 8]

b) discuss memory addressing and interrupt processing in 808386 PVAM modes. [Marks 8]



Q.6)
a) Explain the paging operation of 808386 CPU?

b) discuss the various kinds of descriptor tables used in 808386 CPU. [Marks 8]

Q.7)
a) Draw and discuss the format for CALL gate descriptor in detail. [Marks 8]

b) How 80386 operate in real mode? discuss memory addressing interrupt processing in this mode [Marks 8]

Q.8) Write a short notes on (any three)

a) Demand paging and VMM
b) Privileged instructions of 80386
c) Page level protections
d) Virtual memory

Earning:   Approval pending.