WAEC Computer Science Past Questions & Answers - Page 9

41.

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

Correct answer is B

No explanation has been provided for this answer.

42.

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

Correct answer is D

No explanation has been provided for this answer.

43.

A student would require the following devices to online application form except?

A.

keyboard

B.

mouse

C.

printer

D.

webcam

Correct answer is C

No explanation has been provided for this answer.

44.

How many binary digits are contained in 10MB of a memory stick?

A.

10x 1024

B.

10x 1024 x8

C.

10 x 1024 x 1024

D.

10 x 1024 x 1024 x 8

Correct answer is D

No explanation has been provided for this answer.

45.

The process of running more than one program concurrently is known as

A.

multithreading

B.

multitasking

C.

multiprogramming

D.

multipurpose

Correct answer is C

No explanation has been provided for this answer.