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A

Section A: Long Answer Questions

Attempt any TWO questions.

3 questions·10 marks each
1long10 marks

Define a computer. Explain the characteristics of a computer and describe the different generations of computers with their key features.

computer-basics
2long10 marks

What is computer memory? Explain the memory hierarchy and differentiate between primary and secondary memory with examples.

memory
3long10 marks

What is a computer network? Explain different network topologies with their advantages and disadvantages.

networks
B

Section B: Short Answer Questions

Attempt any EIGHT questions.

9 questions·5 marks each
4short5 marks

Differentiate between analog and digital computers.

computer-basics
5short5 marks

Convert (45)10 into binary, octal and hexadecimal.

data-representation
6short5 marks

Explain system software and application software with examples.

software
7short5 marks

What are input devices? Explain any four input devices.

io-devices
8short5 marks

Differentiate between RAM and ROM.

memory
9short5 marks

What is an operating system? List its main functions.

operating-system
10short5 marks

Explain the components of a data communication system.

data-communication
11short5 marks

What is multimedia? List its applications.

multimedia
12short5 marks

Write short notes on computer viruses.

security