34 Computer Service and Repair
A+
9. Which is the accepted method for a technician to manage ESD?
a. Always use insulated hand tools.
b. Place the PC on a rubber mat before disassembly.
c. Disconnect the ground before servicing a PC.
d. Always wear an anti-static wrist strap before touching PC components.
10. Which type of fire extinguisher is used on electrical fires?
a. Class A
b. Class B
c. Class C
d. Class A and Class B
Suggested Laboratory Activities
Do not attempt any suggested laboratory activities without your instructor’s permission.
Certain activities can render the PC operating system inoperable.
1. Remove the case from three different PCs and compare the hardware. The
PCs may differ by age or manufacturer. Take note of similarities as well as
differences. Identify all the major components.
2. Select a major brand of PC and use the Internet to access the website of the
manufacturer. Look for technical reference material to help you identify the
component locations on the motherboard and on the outside of the case.