WAEC Data Processing Past Questions & Answers - Page 47

231.

Which of the following is not an effect of computer virus?

A.

It distorts the computer screen

B.

Interferes with computer operation

C.

Damages the computer

D.

Corrupts the computer

Correct answer is A

No explanation has been provided for this answer.

232.

Which of these methods would delete a relationship defined between two tables in MS Access?

A.

Selecting delete relationship from the edit menu dialog box

B.

Selecting the relationship line and pressing Delete key

C.

Selecting Delete from the relationship menu

D.

Selecting Delete relationship from the file drop menu

Correct answer is A

No explanation has been provided for this answer.

233.

Which of the following is used to retrieve specific information from database tables?

A.

Index

B.

Query

C.

Report

D.

Table

Correct answer is B

No explanation has been provided for this answer.

234.

Which of the following is not an anti-virus?

A.

Avast

B.

AVG

C.

Compaq

D.

Norton

Correct answer is C

No explanation has been provided for this answer.

235.

A computer professional who studies an existing system with a view to evolving a computer-based system from it is called

A.

Computer engineer

B.

Computer programmer

C.

Data-base administrator

D.

System analyst

Correct answer is D

No explanation has been provided for this answer.