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4 marksProblem-Solving Concepts and Stages

CAPE Computer Science Unit 1 · 2008 · Paper 2 · Question 5(a)(i)

SECTION C - MODULE 3: COMPUTER-BASED PROBLEM SOLVING Professional organizations publish scholarly articles in digital libraries accessible online by subscription.

Describe TWO benefits of a digital library to readers who subscribe to the service.

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  1. 5(a)(ii)Describe TWO benefits of a digital library to organizations that publish scholarly articles.[4 marks]
  2. 5(b)(i)Explain how Accuracy affects the usefulness and value of information.[3 marks]
  3. 5(b)(ii)Explain how Depth of coverage affects the usefulness and value of information.[3 marks]
  4. 5(b)(iii)Explain how Bias affects the usefulness and value of information.[3 marks]
  5. 5(c)Discuss THREE sources of information that Diana can use to get more reliable information on the health risks of cellular towers.[9 marks]
  6. 5(d)(i)Briefly discuss the validity of the statement: 'Information on the Internet is reliable since it must be refereed before it is placed on the Internet.'[2 marks]
  7. 5(d)(ii)Briefly discuss the validity of the statement: 'Information on the Internet is always current since it is available to users as soon as it is placed on the…[2 marks]

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