TUESDAY: 25 April 2023. Morning Paper. Time Allowed: 3 hours. Answer any FIVE questions. ALL questions carry equal marks. Do NOT write anything on this paper.
QUESTION ONE
1. Explain the function of each of the following utility programs:
- Device (2 marks)
- Disk (2 marks)
2. Propose a reason that might necessitate the use of rehearse timing feature in a presentation program (2 marks)
3. Outline THREE circumstances that could necessitate the use of a light pen as a computer input device (3 marks)
4. Bidii Society Ltd installed an electronic spreadsheet program for use in its operations.
Outline THREE ways in which this program could be used. (3 marks)
5. Outline FOUR reasons that would necessitate an organisation to connect its computers to a Local Area Network (LAN). (4 marks)
6. State FOUR ways of acquiring a computer software (4 marks)
(Total: 20 marks)
QUESTION TWO
1. (i) Define the term “anchor cell” as used in a spreadsheet (1 mark)
(ii) Using an illustration of a worksheet, explain how you would calculate and display total sales. (3 marks)
2. Giving an example in each case, distinguish between a “minicomputer” and a “microcomputer”. (4 marks)
3. Citing examples, differentiate between hard copy and soft copy types of outputs (4 marks)
4. Explain TWO reasons why Universal Serial Bus (USB) devices have become more popular with computer users. (4 marks)
5. Compare local user accounts and network user accounts in context of operating (4 marks)
(Total: 20 marks)
QUESTION THREE
1. John Ochola desires to acquire a computer for use in his hardware supplies shop.
- State TWO factors that he would need to look for when getting the computer, he will need to buy. (2 marks)
- Explain TWO types of system software that he may need to acquire (4 marks)
- Suggest with a reason in each case, the TWO application software that might be necessary (4 marks)
2. Highlight FOUR challenges associated with the use of command line interface (CLI). (4 marks)
3. Joyce Njenga intends to set up a local area network (LAN) to use in her small business premise.
Explain THREE networking hardware tools that she may require to carry out this task. (6 marks)
(Total: 20 marks)
QUESTION FOUR
1. Highlight THREE disadvantages of a Wireless Network (3 marks)
2. Explain FOUR benefits of Quick Response (QR) codes over bar codes(4 marks)
3. Describe FIVE file management tasks of a computer operating system(5 marks)
4. Examine FOUR reasons why many organisations have embraced cloud storage (8 marks)
(Total: 20 marks)
QUESTION FIVE
1. (i) Outline THREE negative impacts of information communication technology on the environment
(3 marks)
(ii) Describe THREE technology trends that pose ethical issues. (3 marks)
2. State FOUR features of a user-friendly program (4 marks)
3. Highlight FOUR circumstances under which the use of wireless communication would be preferred in data communication (4 marks)
4. Examine SIX problems associated with using e-mail technology for communication(6 marks)
(Total: 20 marks)
QUESTION SIX
1. Explain the concept of scheduling in reference to operating systems (2 marks)
2. Describe a CAT 6 cable (2 marks)
3. State TWO functions of the recycle bin(2 marks)
4. Using relevant examples, distinguish between a “formula” and “function” in the context of (4 marks)
5. Distinguish between “multi user” and “single user” operating systems as used in computing(4 marks)
6. Examine SIX factors that you could consider when selecting a computer programming language(6 marks)
(Total: 20 marks)
QUESTION SEVEN
1. Excellent college intends to purchase a computerised accounting software for students’ use
Required:
State FOUR features of such applications. (4 marks)
2. Highlight FIVE applications of spreadsheet program in business (5 marks)
3. Outline FIVE challenges of coping with 3D printer’s technology trend in the market (5 marks)
4. Explain THREE positive impacts of the internet to business operations (6 marks)
(Total: 20 marks)