Waec Computer Science Past Questions For Year 2015
Question 6
Output devices in a computer are those devices that send?
- A. results to the memory of the computer   Â
- B.  processed data and instructions into the computer    Â
- C. in data and instructions into the computer   Â
- D. data and instructions into the memory of the computer
Question 7
The hardware of a computer does not consist of?
- A. casing  Â
- B.  mouse Â
- C. peripherals  Â
- D. windows
Question 8
The device through which the main components of the computer communicate with each other is called?
- A.  keyboard Â
- B.  memory  Â
- C. light pen  Â
- D. system bus
Question 9
If the output signal of any logic gate is fed into an inverter, the results is? .
- A.  NOT gate  Â
- B. Nor gate  Â
- C. the inverse of the output signal  Â
- D. the same as the output signal
Question 10
The computer memory is, measured in?
- A.   bit  Â
- B. bytę Â
- C. Â hertzÂ
- D. Â Â nibble
