Waec Computer Science Past Questions

Question 71

Use Figure 4 to answer question 25

If N in the flowchart is represented by 10, which of the following conditions is not true?

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  • A. If C > 10, do not pick orange.
  • B. If C = 10, stop picking orange
  • C. If C < 10, keep picking orange
  • D. If C = 10, continue picking orange
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Question 72

Use Figure 4 to answer question 24

What activity is the flowchart made to represent?

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  • A. How to pick an orange
  • B. Instruction to pick an orange
  • C. Evaluation on how to pick an orange
  • D. Number of times to pick an orange
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Question 73

Use figure 4 to answer question 23

The basic problem with the flow chart is that it has

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  • A. no direction
  • B. no algorithm
  • C. END is a process
  • D. improper branch out
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Question 74

The expression 5 + 3*4/2 - 3^2 in QBASIC evaluate to

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  • A. 7
  • B. 4
  • C. 2
  • D. 1
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Question 75

Which of the following stages of the SDLC is post operational stage?

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  • A. Analysis
  • B. Design
  • C. Investigation
  • D. Maintenance
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