Tribhuwan University

Institute of Science and Technology

2075.1

Bachelor Level / Second Year / Third Semester / Science

B.Sc in Computer Science and Information Technology (CSC213)

(Computer Architecture)

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 Answers Questions

Attempt any TWO questions.
[2*10=20]
1.
Write down the non-restoring division flowchart algorithm and divide 5/3 using non-restoring division.[10]
2.
Explain the mapping process. Differentiate between direct mapping and associate mapping.[10]
3.
What is input output interface? Differentiate between Input-output bus and memory bus?[10]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
Explain the error detection codes with example. [6]
5.
Explain the logic micro instructions with practical example. [6]
6.
Explain the input-output interrupt with example. [6]
7.
Differentiate between hardwired control unit and microprogrammed control unit. [6]
8.
Explain the CISC architecture with example. [6]
9.
Describe the steps of multiplication process using Booth algorithm with example. [6]
10.
Differentiate between I/O bus and interface modules. [6]
11.
What are the major differentiate between Input-output processor (IOP) and direct memory Access (DMA) [6]
12.
Explain the data transfer instructions with example. [6]
13.
What are the main characteristics of memory system? Explain [6]
14.
Write short notes on: a. Data communication processor b. Computer Instructions [6]