WAEC Data Processing 2025 Objective — Question 28

Question 28 of 40 from the West African Examinations Council (WAEC) Data Processing 2025 Objective paper, with the correct answer and a full explanation.

The suitable method of removing particles from the keyboard is by

A. cleaning with dripping wet cloth
B. cleaning with iron brush
C. using compressed airCorrect
D. using hot air

Explanation

Compressed air safely blows dust, crumbs, and debris out from between keys without physical contact, avoiding damage to sensitive components.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Data Processing 2025 Objective More Data Processing past papers