Introduction to Information Technology - Unit Wise Questions

1. Explain the CPU and its working principle.

1. What is operating system? Discuss different functions of operating system in detail.(2 + 8)

1. Define computer software. Differentiate system software with application software. Explain different types system software in detail.(1 + 2 + 7)

2. What are the benefits of using computer network? Explain different types of system software in detail.What is network topology?(3+6+1)

2. Why do we need computer network? Discuss different types of network topologies along with their merits and demerits.(3+7)

3. What are the major characteristics of computer? Explain.

3. What is database? What are benefits of using storing database system architectures in detail.(1 + 3 + 6)

3. What are the benefits of storing data using databases? Discuss three levels of database system architecture in detail.(3+7)

4. Distinguish among the four kinds of computer systems.

4. What are different characteristics of a computer? Differentiate digital computer with analog computer.

4. Discuss characteristics of third generation of computers. Compare it with fourth generation.(3+2)

5. Discuss the components of CPU in brief.(5)

5. What is primary memory? Compare primary memory with secondary memory.

6. What is primary memory? Discuss different types of primary memory.(1+4)

7. Define hard-copy and soft-copy output. Differentiate between impact and non-impact printers with example.(2+3)

7.Explain any two input devices in detail.(5)

8. Convert (110101.101)2 to decimal.(5)

9. Define IP address. Why do we need this address? Compare IPv4 address with IPv6 address.(1+2+2)

9. Define IP address with example. What are the benefits of using domain name?(2+3)

10. What are the characteristics of multimedia? Discuss.(5)

10. What are different elements of multimedia? Explain.(5)

11. Define cryptography. Discuss public key cryptography in detail.(1+4)

11. What is cryptography? How does cryptography provide security to our data?

12. Write short notes on:(2 x 2.5 = 5)

a. Central processing unit

b.IoT

12. Highlight on computers in Education and training in brief.

12. Write short notes on:(2 x 2. 5 = 5)

a. BigData

b. E-governance

4. What is computer system? Discuss components of computer system.

4. What is the role of Control Unit in CPU? How analog computer differs from digital?

5. Why bus is used in computer? How control bus differs from data bus?

5. How RISC architecture differs from CISC architecture?

6. How many numbers of bites are equivalent 1 kilobyte? Discuss the working mechanism of magnetic tape.

6. What is the purpose of cache memory? How sequential access differs from direct access?

7. Mention the use of plotter. How quality of printer is determined? 

7. Explain the working mechanism of a keyboard.

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)10 into binary and octal.

12. Convert (10.4)₁₀ ti binary. Add (10111)₂ with(01111)₂.

2. What is the objective of using operating system? How operating system performs process, memory and file management activities.

3. Why system software is needed in computers? Discuss various types of operating system.

1. What is communication protocol? Discuss the OSI model with its layers.

2. What is switching? How can you differentiate packet switching from circuit switching? What are the advantages of using optical fibers?

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.

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.

8. Why IP address is used in internet? Mention the significance of domain names in internet

9. What do you mean by HTTP and how does it works?

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

11. What is BigData? How centralized database is different than the distributed database?

12. What is database system? How data can be stored using relational model.

10. What is multimedia? Discuss the applications of multimedia.

11. Discuss the characteristics of multimedia.

9. Define each of the terms confidentiality, integrity, and authentication.

10. What is malicious software? How virus differs from worms?