WAEC Past Questions and Answers - Page 2690

13,446.

Which of the following is not a function of the operating system? 

A.

Analysis of the computer components

B.

Ensuring the proper functioning of hardware

C.

Maintenance of directories in external storage

D.

Opening and closing files.

Correct answer is D

No explanation has been provided for this answer.

13,447.

How many groups of buyer make an industrial market?

A.

Three

B.

Four

C.

Five

D.

Six

Correct answer is B

No explanation has been provided for this answer.

13,448.

The memory unit of the computer belongs to the?  

A.

control unit

B.

input device

C.

output device

D.

system unit

Correct answer is A

No explanation has been provided for this answer.

13,449.

When signals X=0 and Y=1, signal Z is?

A.

0.1

B.

0

C.

1

D.

0+1

Correct answer is B

No explanation has been provided for this answer.

13,450.

Products that are purchased for use in the production, of goods for resale are

A.

specialty goods

B.

industrial goods

C.

consumer goods

D.

unsought goods

Correct answer is B

No explanation has been provided for this answer.