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3 marksProblem-Solving Concepts and Stages

CAPE Computer Science Unit 1 · 2008 · Paper 2 · Question 4(a)

Explain what is meant by 'real-time updating of files' in a computer application and outline ONE situation where this approach is necessary.

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  1. 4(b)(i)Explain the meaning of EACH of the underlined terms: data loss, data corruption, unauthorized access.[3 marks]
  2. 4(b)(ii)For EACH of the three problems (data loss, data corruption, unauthorized access), suggest ONE way in which the computer consultant may have determined its…[6 marks]
  3. 4(c)(i)Describe TWO strategies that can be used to back-up critical data in this organization.[6 marks]
  4. 4(c)(ii)Suppose a hurricane destroys all computer systems and associated data. Describe the steps taken to restore the systems and data for ONE of the back-up…[4 marks]
  5. 4(d)Suggest TWO ways in which computer applications designed for the strategic level of an organization differ from computer applications designed for the…[4 marks]
  6. 4(e)State TWO advantages of videoconferencing over email as a means of communicating information.[4 marks]

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