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6 marksImplementation, Testing, and Maintenance

CAPE Computer Science Unit 2 · 2013 · Paper 2 · Question 3(c)

Given function prototype `int binarySearch(int items[], int numItems, int key)` which returns the index of key or -1 if not found.

Describe THREE tests that should be part of the test plan to unit test the binarySearch() function.

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Other parts of this question

  1. 3(a)(i)Explain what is meant by the term 'prototyping'.[4 marks]
  2. 3(a)(ii)Explain how prototyping can be used during the development of a software product.[4 marks]
  3. 3(a)(iii)State TWO weaknesses of the prototyping approach (evolutionary development).[2 marks]
  4. 3(b)Draw an entity-relationship model for the described hospital scenario, clearly naming relationships and specifying cardinality.[9 marks]

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