Tribhuvan University

Institute of Science and Technology

2078

Bachelor Level / third-semester / Science

Computer Science and Information Technology( CSC213 )

Computer Architecture

Full Marks: 60 + 20 + 20

Pass Marks: 24 + 8 + 8

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.

Long Answer Questions

Attempt any Two Questions (2 x 10 = 20)

1

Differentiate between hardwired and microprogrammed control unit. Describe with example of microprogram sequencer used in microprogrammed control unit.

2

Explain the various types of addressing modes and compare them algorithm, advantage and disadvantage.

3

Explain the non-restoring division algorithm with flow chart, and hardware implementation diagram. Divide 10/3 using restoring division.

Short Answer Questions

Attempt any Eight Questions (8 x 5 = 40)

4

Explain the bus interconnection scheme with diagram.

5

What do you mean by instruction format? Explain with an example.

6

Explain the data transfer instructions with example

7

Explain the symbolic microinstruction with example.

8

Explain an instrction pipeline with an example.

9

Explain the Booth Multiplication algorithm with example.

10

What are the advantage and disadvantage of direct mapping and associative mapping between cache and main memory?

11

What are the major differentiate between Input-output processor (IOP) and direct memory Access (DMA)

12

Draw a three dimensonal hypercube and explain with example.