WAEC Computer Science Past Questions & Answers - Page 79

391.

The total possible combinations of th input variables for a logic gate containing three input variables is 

A.

3

B.

4

C.

8

D.

12

Correct answer is B

No explanation has been provided for this answer.

392.

A collection of wires through which data are transmitted from one part of the computer to another is known as 

A.

address

B.

bus

C.

driver

D.

register

Correct answer is B

No explanation has been provided for this answer.

393.

What factors will motivate a field engineer into choosing a notebook computer over a desktop computer?

A.

Cost, convenience and battery life

B.

Cost, size and convenience

C.

Size, convenience and battery life

D.

Size, cost and battery life

Correct answer is C

No explanation has been provided for this answer.

394.

The Slide Rule is accurate to 

A.

1-2 decimal places

B.

3-4 decimal places

C.

5 decimal places

D.

6 decimal places

Correct answer is B

No explanation has been provided for this answer.

395.

Which of the following statements is true about super computers? They

A.

can fit on a single small chip

B.

are easily affordable

C.

can process billions of operations in a second

D.

are found across various homes and offices

Correct answer is C

No explanation has been provided for this answer.