Waec Computer Science Past Questions For Year 2015
Question 1
The computer hardware is made up of system unit and?
- A.  motherboard   Â
- B. peripheral   Â
- C.  control unit Â
- D. Â central processing unit
Question 2
Abacus is used for?
- A.  addition    Â
- B. subtraction   Â
- C. addition and subtraction Â
- D. Â multiplication and division
Question 3
The main difference between a laptop and a desktop is that, a laptop?
- A. does not have mouse while a desktop has  Â
- B.  uses USB port while desktop uses parallel port    Â
- C.   can be connected to the internet while desktop cannot    Â
- D. contains high capacity battery that powers for extensive period while desktop has not.
Question 4
Which of the following devices is not a micro computer?
- A. DesktopÂ
- B. EDVACÂ
- C. Â LaptopÂ
- D. Â Notebook
Question 5
Charles Babbage was the first to?
- A. invent slide rule  Â
- B. invent analytical engine  Â
- C.   make census machine Â
- D. make use of the punched card