CSIT 3rd Semester
Computer Architecture Board Question Paper 2080

CSC 165-2080 ✡
Tribhuvan University
Institute of Science and Technology
2080
✡
Bachelor Level/Second Year/Third Semester/Science
Computer Science Information Technology (CSC 165)
(Computer Architecture)
(New Course)
Full Marks:60 Pass Marks:24 Time:3 hours

Candidates are required to give their answers in their own words as for as practicable.
The figures in the margin indicate full marks

Section A
Long Answer Questions
Attempt any Two question.
[2x10=20]
1.

Explain the working of Booth’s multiplication algorithm and perform multiplication of 50 and (-13) using the same algorithm.

2.

Explain the instruction format of basic computer. Write down symbolic microinstruction for FETCH routine.

3.

What is DMA? Explain the DMA controller with block diagram. How the DMA interact with I/O device.

Section B

Attempt any Eight questions

[8x5=40]
4.

What is arithmetic overflow? How it can be detected?

5.

What do you mean by error correction codes? Explain any one of error correction technique.

6.

Explain block diagram of microprogram sequencer in brief.

7.

What is cache memory? Explain the elements of cache design.

8.

What is micro-operation? Explain different arithmetic microorganisms.

9.

What do you mean by pipelining concept? Discuss various pipeline hazards and their solutions in detail.

10.

Write the program for following statement by using three, single, zero address instructions. X=(A+B*C-D)/(E*F+G)

11.

Differentiate between RISC and CISC architecture.

12.

Write short notes on (Any TWO)
a. Control ROM
b. Common Bus System
c. Flynn’s Classification