Waec Computer Science Past Questions For Year 2022

Question 11

The part labelled X in the figure above is called?

waec 2022

  • A. auxiliary memory
  • B. output unit
  • C. secondary memory
  • D. storage unit
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Question 12

The logic equation for the logic gate in the figure above is?

waec 2022

  • A. Z=A+B
  • B. Z=A.B
  • C. Z= A+B
  • D. Z=A.B.C
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Question 13

use the diagram above to answer questions below

The logic gate in the diagram above is called a

waec 2022

  • A. AND gate
  • B. NAND gate
  • C. NOR gate
  • D. OR gate
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Question 14

A student would require the following devices to online application form except?

waec 2022

  • A. keyboard
  • B. mouse
  • C. printer
  • D. webcam
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Question 15

The following instructions are guidelines for drawing flowcharts except that?

waec 2022

  • A. flowcharts must have a logical start and finish
  • B. it should follow a direction of left to right or top to bottom
  • C. it should follow a direction of right to left or bottom to top
  • D. it should be clear, neat and easy to follow
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