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. (3+3+4)

2.

What is switching? How can you differentiate packet switching from circuit switching? What are the advantages of using optical fibers? (2+4+4)

3.

Why system software is needed in computers? Discuss various types of operating system. (3+7)

4.

What is the role of Control Unit in CPU? How analog computer differs from digital? (2+3)

5.

How RISC architecture differs from CISC architecture? (5)

6.

What is the purpose of cache memory? How sequential access differs from direct access? (1+4)

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. (2.5+2.5)

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. (2+3)

10.

What is malicious software? How virus differs from worms? (1+4)

11.

Discuss the characteristics of multimedia. (5)

12.

What is database system? How data can be stored using relational model. (2+3)