WAEC Data Processing Past Questions & Answers - Page 39

191.

The file organisation method which allows records to be accessed in any sequence is

A.

Index

B.

Random

C.

Sequential

D.

Serial

Correct answer is B

No explanation has been provided for this answer.

192.

Which of the following database operations does not require a Data Maniulation Language?

A.

Modification of information

B.

Insertion of new information

C.

Deletion of information

D.

Creating of information

Correct answer is C

No explanation has been provided for this answer.

193.

In the model; Furniture (Table, Chair, Wardrobe) Furniture is...

A.

A relation

B.

A schema

C.

A tuple

D.

An attribute

Correct answer is A

No explanation has been provided for this answer.

194.

Which of the following software replicates itself without being executed by the user?

A.

Worm

B.

Trojan

C.

Plug-ins

D.

Driver

Correct answer is A

No explanation has been provided for this answer.

195.

The following tools are used for protecting the computer against virus attack except

A.

Avast anti malware

B.

Kaspersky

C.

Norton

D.

Trojan horse

Correct answer is D

No explanation has been provided for this answer.