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?
- 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
Question 72
Use Figure 4 to answer question 24
What activity is the flowchart made to represent?
- 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
Question 73
Use figure 4 to answer question 23
The basic problem with the flow chart is that it has
- A. no direction
- B. no algorithm
- C. END is a process
- D. improper branch out
Question 74
The expression 5 + 3*4/2 - 3^2 in QBASIC evaluate to
- A. 7
- B. 4
- C. 2
- D. 1
Question 75
Which of the following stages of the SDLC is post operational stage?
- A. Analysis
- B. Design
- C. Investigation
- D. Maintenance