WEDNESDAY: 7 December 2022. Afternoon Paper. Time Allowed: 3 hours.
Answer any FIVE questions. ALL questions carry equal marks. Do NOT write anything on this paper.
QUESTION ONE
1. State FOUR disadvantages of implementing information systems in an organisation. (4 marks)
2. Explain FIVE computer hardware components that are required when establishing a multimedia platform for e-commerce. (5 marks)
3. Using an example, explain how one would use “Goal seek” function in a business. (5 marks)
4. Explain THREE problems that could be encountered when using a computerised accounting software. (6 marks)
(Total: 20 marks)
QUESTION TWO
1. Outline the output products that result from the following systems development lifecycle stages:
System initiation. (2 marks)
Requirement analysis. (2 marks)
Systems design. (2 marks)
System integration. (2 marks)
Systems testing. (2 marks)
2. Explain TWO limitations of using “Internet of things” (IoT) technology. (4 marks)
3. Explain THREE ways in which e-commerce could be used to optimise business opportunities in a large hotel. (6 marks)
(Total: 20 marks)
QUESTION THREE
1. Differentiate between “Intranet” and “Extranet” as used in computer networks. (2 marks)
Outline FOUR limitations of using “extranet” as a computer network in an organisation. (4 marks)
2. Organisations use different types of information systems.
Required:
List THREE types of information systems used by management. (3 marks)
State the input, processes and output of information systems used by management. (3 marks)
Explain FOUR enterprise information system characteristics that support unstructured decision making in organisations. (4 marks)
3. Veronica stored word processing files in a flash disk when working from a home desktop computer. She has realised that the files could no longer open at her place of work.
Required:
Suggest FOUR reasons why some files may not open despite being visible on the flash disk. (4 marks)
(Total: 20 marks)
QUESTION FOUR
1. Differentiate between an “accounting package” and a “spreadsheet” based on the following features:
Report generation. (2 marks)
Audit trail. (2 marks)
2. Giving an example, explain the purpose of a mobile browser. (3 marks)
3. Explain how cloud computing supports e-commerce operations. (4 marks)
4. Explain FOUR social issues that may arise from the use of information systems. (4 marks)
5. Assess FIVE ways in which general ICT controls ensure the reliability of data generated by information systems. (5 marks)
(Total: 20 marks)
QUESTION FIVE
1. List FOUR types of software used to enable e-commerce business. (4 marks)
2. Highlight FOUR types of skills that a system analyst is required to have in order to effectively carry out his/her tasks. (4 marks)
3. Assess FOUR methods of controlling unethical behaviour in ICT. (4 marks)
4. Kibao Masetu, a system analyst, used the prototyping method to develop an information system for Petoka Ltd.
Explain FOUR advantages of using this method. (8 marks)
(Total: 20 marks)
QUESTION SIX
1. Highlight TWO features of a presentation program that are not available in a word processing program. (2 marks)
Explain THREE contexts in which one would need to use a presentation program instead of a word processing program. (3 marks)
2. Enumerate FIVE reasons why an organisation might opt to use subcontractors for its information system needs. (5 marks)
3. Outline FOUR benefits of conducting a feasibility study during systems development. (4 marks)
4. Explain THREE factors to consider when choosing an operating system for a computer. (6 marks)
(Total: 20 marks)
QUESTION SEVEN
1. Explain TWO characteristics of a “peer to peer” computer network. (2 marks)
2. Highlight TWO legal issues and two ethical issues that may arise by use of information systems in a large-scale chain-based supermarket. (4 marks)
3. Suggest TWO strategies that a country could adopt to minimise the digital divide. (4 marks)
4. Simon has established an accounting firm in a busy town and employed seven assistants. However, the office space is not enough to accommodate all the staff and he has approached you for assistance.
Required:
Explain THREE modern ICT technologies that Simon could adopt to maximise employees’ productivity despite space constraints. (6 marks)
Explain TWO possible disadvantages that Simon could face in adopting any of the technologies in 4 above. (4 marks)
(Total: 20 marks)
