CSIT 3rd Semester
Computer Architecture Board Question Paper 2082 Old Course

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CSC 165-2082 ✡

Tribhuvan University

Institute of Science and Technology

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Bachelor Level/Second Year/Third Semester/Science
Bachelors in Computer Science and Information Technology (CSC 165)
(Computer Architecture) <br> <b class='underline'>(Old Course</b>)
Full Marks: 60 Pass Marks: 24 Time: 3 hours

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

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

Explain the common bus system for basic computer with a suitable diagram.

2.

Describe parallel processing. Does pipelining support parallel processing? Explain with an example. What are its advantages?

3.

Perform multiplication of 30 and (-15) using Booth’s multiplication algorithm.

Section B

Attempt any Eight questions

[8×5=40]
4.

Explain memory hierarchy in terms of its size and speed.

5.

Explain any one mode of data transfer to and from peripherals.

6.

List pipelining hazards and explain any two of them.

7.

Define microinstruction. Explain microinstruction format.

8.

Differentiate between instruction code and operation code. Explain instruction cycle of a basic computer.

9.

Explain different logic microorganisms.

10.

Differentiate between RISC and CISC.

11.

How negative number is represented? Explain floating point representation.

12.

Write short notes on
a) Control timing signals
b) Cache memory