1. a) Define an input device

b) Name two basic input devices associated with common desktop computers

c) Identify an input device for each of the following data:

i) Sound

ii) Images

2a) Outline any three functions of an operating system.

b) Name any two operating system software

3. Ali has a DVD full of data and would like to transfer the data to CDs. The capacity of the DVD is 4.7GB and each CD is 700MB. Calculate the number of CD’s he would need to transfer all his data.

4.a) Define the term Tailor – made software

b) Outline nay four qualities of good application software

5. a) Write the following computer abbreviations in full;

i) CPU
ii) ALU

b) State the role of each of the following CPU components:

i) Bus
ii) Control Unit
iii) Registers

6. a) List three major specifications one would consider when buying a laptop computer

b) Illustrate the information processing cycle.

 

7. a) Distinguish between cold booting and warm booting.

b) Give three circumstances under which a computer can be warm booted

 

8. What is information and Communication Technology (ICT)?

b) Outline any three measures that can be taken to prevent environmental degradation through the use of ICT.

 

9a) Give two reasons why file management is important in a computer system

b) List three operations which can be performed on a file.

 

10. a) Explain the term troubleshooting as used in computers

b) State three ways in which one can troubleshoot a computer that has failed to start.

 

11. a) Distinguish between utilities and application software

b) Give three examples of utility programs

12. Explain the following as applied to Internet:

a) Hotspot
b) Internet Service Provider
c) Search Engine

13. Give five symptoms of a computer infected by a virus

14.a)Give two reasons to justify ownership of institutional websites

b) i) What is a web browser?

ii) Under what circumstances can someone use a Uniform Resource Locator (URL) in a web browser?

15. Give any five advantages of using automation in an industry

16. a) Define data communication

b) State any four requirements for setting up a computer network

17. For questions (a) – (e), fill in the missing words from the list below:

Formula bar	Worksheet
Active cell	Workbook
Cell	Column

a) The………… is the intersection of a column and a row.

b) The content of a current cell is also displayed in the…………..

c) The ………… is one with a thicker boundary and is the insertion point in a spreadsheet.

d) The cell address of the current cell is displayed in the……..

e) A spreadsheet file is referred to as………………

18. a) Give three disadvantages of electronic communication.

b) Name any two manual communication methods

19. a) Give two situations under which electronic presentations would be used.

b) State three advantages of using electronic presentations over the traditional chalk and talk

20 a) Differentiate between intranet and extranet

b) Define a Local Area Network (LAN).

c) Suggest an area network which is restricted to connecting users in a city.