Questions
Syllabus
Qns. By Syllabus

Semester

Subject

Year

Tribhuwan University

Institute of Science and Technology

2079

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.
What is cache memory? Explain the mapping process. Differentiate between direct mapping and associate mapping. [10]
2.
Describe micro-programmed control unit. Explain different types of addressing modes with example. [10]
3.
Differentiate between floating point representation and fixed point representation. Divide 23 by 9 using restoring division algorithm. [10]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
What are different methods for representing signed numbers? Represent (-71) in those formats. [5]
5.
Explain Direct Memory Access with suitable diagram. [5]
6.
Explain the data transfer and manipulation instruction with example. [5]
7.
Explain common bus system for basic computer. [5]
8.
Explain the binary adder-subtractor circuit with suitable diagram. [5]
9.
What do you mean by Register Transfer Language? Explain the use of Register Transfer Language control function. [5]
10.
What do you mean by sequencer? Explain with microprogram sequencer. [5]
11.
Write the program for the following statement using three, single, zero address instructions. X=(A∗B+C−D)/(E+F∗G)X = (A*B+C-D) / (E+F*G) [5]
12.
Write short notes on (any two): a. CISC b. Overlapped register c. Pipelining hazards [5]