WAEC Data Processing Past Questions & Answers - Page 48

236.

Safety measures to be observed when using the computer include all of the following except 

A.

Use of anti-glare protector

B.

Sitting posture

C.

Maintaining a dust-free environment

D.

Dropping liquids in the computer rooms

Correct answer is D

No explanation has been provided for this answer.

237.

Which of the following is safety measure in the computer laboratory?

A.

Eating in the computer laboratory

B.

Illumination in the computer laboratory

C.

Opening the monitor by unauthorized persons

D.

Poor ventilation in the computer laboratory

Correct answer is B

No explanation has been provided for this answer.

238.

Commonly accepted practices, rules or methods in computing are called

A.

Conventions

B.

Habits

C.

Laws

D.

Standards

Correct answer is D

No explanation has been provided for this answer.

239.

Which of the following is not a good computer maintenance practice?

A.

Blowing the system unit with a blower

B.

Blowing the keyboard with a blower

C.

Cleaning the screen with a wet cloth

D.

Cleaning the CD-ROM drive with lens cleaner

Correct answer is C

No explanation has been provided for this answer.

240.

Which of the following is one of the tools used to maintain the computer? 

A.

Blower

B.

Calipper

C.

Cotton wool

D.

Kerosene

Correct answer is A

No explanation has been provided for this answer.