Questions
Syllabus
Qns. By Syllabus

Semester

Subject

Year

Tribhuwan University

Institute of Science and Technology

Model

Bachelor Level / First Year / First Semester / Science

B.Sc in Computer Science and Information Technology (CSC114)

(Introduction to Information Technology)

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.
Discuss the concept behind the fixed point number representation. What can be the fixed point representation of a signed number 8? Convert (14.14) decimal into binary and octal.[10]
2.
What is switching? How can you differentiate packet switching from circuit switching? What are the advantages of using optical fibers?[10]
3.
Why software system is needed in computers? Discuss various type of operating system.[10]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
What is the role of Control Unit in CPU? How analog computer differs from digital? [5]
5.
How RISC architecture differs from CISC architecture? [5]
6.
What is the purpose of cache memory? How sequential access differs from direct access? [5]
7.
Explain the working mechanism of a keyboard. [5]
8.
Why IP address is used in internet? Mention the significance of domain names in internet. [5]
9.
Define computer network. Suppose you have a two story building having 15 computers in each of two floors. Now if you are asked to create a network of these computers, what type of network will you create? Give proper justification to your answer. [5]
10.
What is malicious software? How virus differs from worms? [5]
11.
Discuss the characteristics of multimedia. [5]
12.
What is database system? How data can be stored using relational model. [5]