WAEC Computer Science Past Questions & Answers - Page 62

306.

Computer ethics are important because they? 

A.

ensure identity theft

B.

regulate the privacy of messages only

C.

address piracy and comportment issues

D.

prevent copyright infringement on discretional basis

Correct answer is D

No explanation has been provided for this answer.

307.

Which of the following statements is true of encryption? It

A.

provides complete privacy

B.

provides security of varying reliability

C.

makes messages un- readable by the recipient

D.

permits an individual to have access to another person's message

Correct answer is C

No explanation has been provided for this answer.

308.

A high level language can be converted to a machine language using?

A.

a compiler

B.

an editor

C.

a utility program

D.

an operating system

Correct answer is A

No explanation has been provided for this answer.

309.

The part of the computer that holds the data and pro- grams for CPU processing is the?

A.

Address

B.

Register

C.

Random Access Memory.

D.

Read Only Memory

Correct answer is B

No explanation has been provided for this answer.

310.

The term bus' width in data transfer refers to the?

A.

number of wires in the bus

B.

size of the data movement.

C.

number of bits of information the RAM can send to the CPU at the same time

D.

number of wires in the bus that carry information to the processor at a time

Correct answer is A

No explanation has been provided for this answer.