ordinary level 2025 South West mock ICT 2
ordinary level 2025 South West mock ICT 2
1 . (a) Computer systems need protection from natural hazards Ilke floods nnd / l
((3jJ^mark
| (2 marie . , , |
(ii) .State two reasons why file formats vary | |
| (2 mark* (2marks |
they are used .pdf, .mpeg (d) (i) What is a transmission media? |
|
| | (ii) State three reasons why it will be preferable to use wireless communication rather than |
||
| (3 marks (2 marks] |
wired. (e) Define the following in relation to Database (i) Foreign key (ii) Primary key |
. |
| (c) Giveihc full meaning ofeach ihe following tileextensions and slale the purposes for which | ||
| (0 What is the difference between data verification and data validation | ||
| (2 marks) | ||
| 2. (a) Complete the table below by stating the most appropriate type of software or program that can be | ||
| used for the Stated task. Task a | To create, edit and format text, like letters, reports and fliers b To present information on the activities of an organization to the board of directors during a seminar |
(4 marks) Ty pe of software |
tlircats that may impede a computer system
(b) (i) What is a file format? Name any two types of file formats
c To work with numbers, calculations, charts and graphs
d To organize and access large amounts of data
(b) Give the main function of the following hardware in a computer system
(i) Video card
| (2 marks) (2 marks) (2 marks) |
(ii) (iii) Ethernet card (c) Explain the following terms |
| (i) Simulation (ii) Videoconferencing (iii) Telecommuting (d) (i) What is ergonomics? |
(2 marks) (2 marks) (2 marks) |
| Give two recommendations you will give a secretary suffering from back pain and («0 (2 marks) |
|
| eyestrain. | (2 marks) |
Expansion slot
4
5. (a) (i) Name and explain three components of an information system (3marks)
(b) What is the function of the following types of information systems
(i) Geographic Information System
(ii) Expert System
(c) Explain the following terms in relation to data security
(i) Encryption
| (ii) Biometrics (lii) Firewall |
., |
(2marks)
(3marks)
(d) “Most ISPs in Cameroon provide internet connectivity to major banks. Internet connectivity requires the
TCP/IP while web use requires the HTTP. Interestingly some banks prefer DSL; some go for ADSL
and some others for Broadband connections...”
(i) Write the highlighted abbreviations in full
(u) What is the role of the TCPAP and HTTP
(e) Explain the following in relation to Database
(i) Records
(ii) Fields
(iii) Entity
| 6. (a) What is the difference between Formatting a document and Editing a document ? (b) Explain Word wrap as used in word processing? (c) What is scrolling, and how does it apply to computer applications ? |
(3 marks) (3 marks) (4 marks) |
| (d) Name FOUR advantages of using a computer to type and edit a document rather than using a | |
| typewriter (e) What is a backing storage device? Give ^TWO examples (0 Explain the term software piracy |
(4 marks) (4 marks) (2 marks |
