WAEC Computer Science Past Questions & Answers - Page 35

171.

The ASCII chart control characters using numeric codes ranging from? 

A.

0 to 124

B.

0 to 125

C.

0 to 127

D.

0 to 128

Correct answer is C

No explanation has been provided for this answer.

172.

The process of restarting the computer system is known as?

A.

cold booting

B.

hard booting

C.

hot bathing

D.

warm booting

Correct answer is D

No explanation has been provided for this answer.

173.

The speed of data transfer in the computer can be determined in terms of? 

A.

protocols and bus speed

B.

bus speed and bus width

C.

bus width and storage media

D.

bus speed and storage media

Correct answer is D

No explanation has been provided for this answer.

174.

Which of the following components are data communication equipment?

I. Scanner ll. Hub lIl. Modem

A.

I and Il only

B.

I and lll only

C.

II and IIl only

D.

I, Il and III

Correct answer is B

No explanation has been provided for this answer.

175.

Which of the following options is not an advantage of  linear bus topology?

A.

It requires less cable length

B.

It ensures easy casting

C.

Additional nodes can be connected easily

D.

Terminators are required at both ends of the

Correct answer is C

No explanation has been provided for this answer.