COMPUTER ORGANIZATION AND ARCHITECTURE (COA), B.E. Computer Science (CS), Semester 4, May 2013.

COMPUTER ORGANIZATION AND ARCHITECTURE (COA),

B.E. Computer Science (CS), Semester 4, May 2013.

Con.6595-13.

GS-6621

(3 Hours)

[Total Mark: 100]

N. B.: (1) Question no 1 is compulsory.

(2) Attempt any four questions out of remaining six questions.

(3) Assume suitable data wherever necessary.

(4) Answer to each new question to be started on fresh page.

1. (a) Explain different Instruction formates with suitable example. --- (10 Marks)

(b) Define following terms: - --- (10 Marks)

(i) Computer Organization

(ii) Computer Architecture

(iii) MDR

(iv) PC

(v) SP

2. (a) Explain Instruction cycle with interrupt executive in detail. --- (10 Marks)

(b) Compare and explain static and dynamic data flow computers. --- (10 Marks)

3. (a) Explain IEEE- 754 formates. --- (10 Marks)

(b) Explain cache memory mapping with pipelined processor. --- (10 Marks)

4. (a) Explain Micro-programmed control unit in detail. --- (10 Marks)

(b) Explain 6- stages Instruction execution with pipelined processor. --- (10 Marks)

5. (a) Explain types of memories based on the hierarchy of speed and size. – (10 Marks)

(b) Define “(Input/Output) I/O Module”. State the difference between Programmable and Non – programmable devices with suitable examples. --- (10 Marks)

6. (a) Compare RISC and CISC processors. --- (10 Marks)

(b) Explain Interleaved Memory with low- order and high- order Interleaving. --- (10 Marks)

7. Write short notes on any four of the following: ---- (20 Marks)

a) RAID Memory

b) Booth’s Algorithm

c) MIMD and SIMD

d) Paging and Segmentation.

e) Page Replacement Algorithm.