1.

What is communication protocol? Discuss the OSI model with its layers. (2+8)

2.

What is the objective of using operating system? How operating system performs process, memory and file management activities. (3+7)

3.

What is data model? How ER-Model can be used to create conceptual data model? Explain with example. (3+7)

4.

What is computer system? Discuss components of computer system. (1+4)

5.

Why bus is used in computer? How control bus differs from data bus? (2+3)

6.

How many numbers of bytes are equivalent 1 kilobyte? Discuss the working mechanism of magnetic tape. (2+3)

7.

Mention the use of plotter. How quality of printer is determined? (2.5+2.5)

8.

What do you mean by Internet of Things (IoT)? As an IT expert, mention the possible applications of IoT that you have observed in Nepal. (2+3)

9.

Define each of the terms confidentiality, integrity, and authentication. (5)

10.

What is multimedia? Discuss the applications of multimedia. (1+4)

11.

What is BigData? How centralized database is different than the distributed database? (1+4)

12.

Convert (10.4)₁₀ to binary. Add (10111)₂ with (01111)₂. (2+3)