You are working as a trainee at Domain.com. You have been asked to clean all the CRT monitor screens in the computer lab. Which of the following should you do FIRST?

A.
Wipe the screen with a rag soaked in warm water.

B.
Unplug the computer.

C.
Unplug the monitor.

D.
Spray the glass with ammonia based cleaner.

Explanation:
Explanations: liquids and electrical equipment is generally a bad idea unless the equipment is unplugged.