Information Communication Technology April 2023 past paper

WEDNESDAY: 26 April 2023. 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. Veronica and Simon have each bought a computer labelled Computer A and B respectively, with the following specifications:

Required:

  • Assuming that the cost of the two computers are the same, list TWO strengths of Computer A and TWO strengths of Computer B, describing the impact of each strength.    (4 marks)
  • Explain FIVE ways of protecting yourself from identity (5 marks)
  • Highlight FIVE activities that the operating system executes in relation to process (5 marks)
  • Highlight THREE ethical and THREE societal issues to the development and use of information (6 marks)

(Total: 20 marks)

QUESTION TWO

1. (i) Explain THREE reasons why most threats to an organisation’s information system are contributed by  insiders          (3 marks)

(ii)         State FOUR ways of preparing against insider threats.              (4 marks)

2. Explain THREE techniques for eliciting user requirements during information systems (6 marks)

3. David Omondi is the owner of a Home Appliances shop at the Douala Details of items sold by him during the month of March 2023 were given below:

Required:

Explain the steps required to prepare a pivot table with the above information to show the sales for each brand using a spreadsheet application such as LibreOffice Cac. Use proper cell references in your explanation.  (7 marks)

(Total: 20 marks)

QUESTION THREE

1. Explain the rationale behind applying the systems development life cycle (SDLC) during the development of information (2 marks)

2. Outline FOUR methods for controlling unethical behaviour in (4 marks)

3. Bidii Company has established that its information is being electronically eavesdropped through their servers

Outline FOUR measures that the company could put in place to minimise this crime.        (4 marks)

4. Outline FOUR factors that could influence the choice of an information (4 marks)

5. Explain THREE ways in which decision support systems are applied in an (6 marks)

(Total: 20 marks)

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QUESTION FOUR

1. Give TWO reasons why an operating system must evolve over (4 marks)

2. Explain THREE impacts of e-commerce on (6 marks)

3. (i) Explain TWO basic control measures that organisations could take to improve security on personal devices that employees connect to an organisation’s       (4 marks)

(ii)         Describe THREE Bring Your Own Device (BYOD) security best practices in an organisation.

(6 marks)

(Total: 20 marks)

 

QUESTION FIVE

1. Highlight FIVE objectives of an information’s system (5 marks)

2. Explain FIVE possible reasons why an organisation may decide to replace an information (5 marks)

3. Enumerate FIVE reasons why memory management is required in a computer (5 marks)

4. Tujenge Ltd. is in the process of developing a new information system. A few managers are reluctant to embrace the new information system

Required:

  • Identify the most suitable method of system changeover to apply in the above scenario. (1 mark)
  • Outline FOUR advantages associated with the method identified in (d) (i) (4 marks)

(Total: 20 marks)

 

QUESTION SIX

  • XYZ Ltd. invited an ICT consultant to set up a computer network. The consultant linked all the computers to every other in the network. The nodes were connected to every other via a dedicated link so that every node features a point-to-point connection to the opposite node.

Required:

  • State the type of network topology on the above (1 mark)
  • Highlight FIVE benefits associated with the (5 marks)
  • Outline FOUR benefits associated with the use of pivot (4 marks)
  • Evaluate FIVE restoration procedures that could be used to recover lost (5 marks)
  • Describe FIVE features of time-sharing operating (5 marks)

(Total: 20 marks)

QUESTION SEVEN

1. ABC Enterprises Limited has commenced the process of integrating its current business operations with an ERP

Required:

  • Outline TWO ways the ABC Enterprises Limited could benefit from the (2 marks)
  • Highlight THREE challenges that could arise with such (3 marks)

2. Citing FOUR reasons, justify why it is necessary for an organisation to sign a contract for the maintenance of computer hardware and (4 marks)

3. Complete the table below with appropriate name of the feature used in respective iOS and Android mobile operating systems:

 

4. Explain SEVEN ethical issues associated with increased dependency on information (7 marks)

(Total: 20 marks)

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