Tribhuvan University

Institute of Science and Technology

2079

Bachelor Level / first-semester / Science

Computer Science and Information Technology( CSC109 )

Introduction to Information Technology

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.

Section A

Attempt any TWO Questions (2 x 10 = 20)

1

What is computer memory? Describe memory hierarchy with a suitable example.

2

Why is the software needed in computer systems? Mention the role of system software. Discuss the functionalities of the operating system.

3

Define computer network. Discuss the types of network topologies with their pros and cons.

Section B

Attempt any Eight Questions (8 x 5 = 40)

4

Briefly describe the generations of computer.

5

Define the instruction set. How does a CPU instruction cycle work?

6

Discuss different types of printers with examples.

7

Define decimal to binary conversion. Convert (12.45)10 to binary

8

What is communication protocol? Why it is used in computer networks? Let few examples of communication protocol.

9

What is multimedia? Describe the elements of multimedia.

10

What is firewall? How firewall is used to secure computer system?

11

Define the terms data warehousing, data mining, and big data.

12

Write short notes on:

  1. Cloud Computing
  2. Iot