Waec Computer Science Past Questions For Year 2022
Question 11
The part labelled X in the figure above is called?
- A. auxiliary memory
- B. output unit
- C. secondary memory
- D. storage unit
Question 12
The logic equation for the logic gate in the figure above is?
- A. Z=A+B
- B. Z=A.B
- C. Z= A+B
- D. Z=A.B.C
Question 13
use the diagram above to answer questions below
The logic gate in the diagram above is called a
- A. AND gate
- B. NAND gate
- C. NOR gate
- D. OR gate
Question 14
A student would require the following devices to online application form except?
- A. keyboard
- B. mouse
- C. printer
- D. webcam
Question 15
The following instructions are guidelines for drawing flowcharts except that?
- 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