WAEC Data Processing Past Questions & Answers - Page 62

306.

Who developed the first digital electrical computer?

A.

Blaise Pascal

B.

Joseph Jacquard

C.

Mauchly and Eckert

D.

Von Leibniz

Correct answer is C

No explanation has been provided for this answer.

307.

The exchange of information over a network follows a set of rules called

A.

Transmission rules

B.

Transfer rules

C.

Channels rules

D.

Protocols

Correct answer is D

Protocol, in computer science, a set of rules or procedures for transmitting data between electronic devices, such as computers.

308.

In a relational database management system, files are organized as relations and

A.

Tuple

B.

Modules

C.

Tables

D.

Forms

Correct answer is A

No explanation has been provided for this answer.

309.

One of the advantages of a parallel database is

A.

Data sharing

B.

Data security

C.

Faster processing of data

D.

Uniform memory access

Correct answer is A

No explanation has been provided for this answer.

310.

A program developed to protect the computer from malicious software is referred to as

A.

Trojan

B.

Driver

C.

Antivirus

D.

Spyware

Correct answer is C

No explanation has been provided for this answer.