WAEC Computer Science Past Questions & Answers - Page 90

446.

The outcome of a processed data in a computer is known as

A.

raw fact

B.

Information

C.

database

D.

computer result

Correct answer is D

No explanation has been provided for this answer.

447.

The computer hardware can be classified into

A.

ALU and Control Unit

B.

System Unit and Peripheral

C.

Central Processing Unit and Control Unit

D.

Input and Output Units

Correct answer is B

No explanation has been provided for this answer.

448.

A similarity between data and information is that both?

A.

can be displayed on the monitor

B.

are computer inputs

C.

are processed facts

D.

are computer results

Correct answer is A

No explanation has been provided for this answer.

449.

The first calculator was built by?

A.

Marie Jacquad

B.

Balise Pascal

C.

Charles Babbage

D.

John Napier

Correct answer is B

Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.