Tribhuvan University

Institute of Science and Technology

2075-1

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 Questions:

Attempt any two questions: (10 x 2 = 20)

1

Write down the non-restoring division flowchart algorithm and divide 5/3 using non-restoring division.

2

Explain the mapping process. Differentiate between direct mapping and associate mapping.

3

What is input output interface? Differentiate between Input-output bus and memory bus?

Short Questions:

Attempt any ten questions:(10 x 6 = 60)

4

Explain the error detection codes with example

5

Explain the logic micro instructions with practical example

6

Explain the input-output interrupt with example

7

Differentiate between hardwired control unit and microprogrammed control unit

8

Explain the CISC architecture with example

9

Describe the steps of multiplication process using Booth algorithm with example

10

Differentiate between I/O bus and interface modules

11

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

12

Explain the data transfer instructions with example

13

What are the main characteristics of memory system? Explain

14

Write short notes on:

  1. Data communication processor
  2. Computer Instructions