PRE-TEST Directions: Choose and write the letter of the correct answer on a separate sheet of paper.


1. What device can easily get dust, dirt, and other airborne particles onto it due to the static electricity it can produce?
A. chassis
B. monitor
C. mouse
D. system unit

2. Common causes of problem with the mouse sensors lens which can cause ______ mouse movements?

A. constant
B. erratic
C. smooth
D. stop

3. A filthy keyboard can lead to different issues, which one is not?

A. clicky
B. control panel
C. folder
D. stuttering

4. What machine is used for generating substantial air pressure to blow away dust?

A. air blower
B. brush
C. compressed air
D. microfiber cloth

5. What tools and products are designed to meet a cleaning need?

A. cleaning tool
B. esd tool
C. hand tool
D. testing tool​