WAEC Computer Science Past Questions & Answers - Page 69

341.

The computer memory is, measured in?

A.

bit

B.

byte

C.

hertz

D.

nibble

Correct answer is B

No explanation has been provided for this answer.

342.

The computer hardware is made up of system unit and?   

A.

motherboard

B.

peripheral

C.

control unit

D.

central processing unit

Correct answer is B

No explanation has been provided for this answer.

343.

Abacus is used for?

A.

addition

B.

subtraction

C.

addition and subtraction

D.

multiplication and division

Correct answer is C

No explanation has been provided for this answer.

344.

The main difference between a laptop and a desktop is that, a laptop?

A.

does not have mouse while a desktop has

B.

uses USB port while desktop uses parallel port

C.

can be connected to the internet while desktop cannot

D.

contains high capacity battery that powers for extensive period while desktop has not.

Correct answer is A

No explanation has been provided for this answer.

345.

Which of the following devices is not a micro computer?  

A.

Desktop

B.

EDVAC

C.

Laptop

D.

Notebook

Correct answer is B

No explanation has been provided for this answer.