Deck 5: Disassembly and Power

Question 1

When would having a dual-voltage power supply be useful?

A)When traveling to other countries
B)When attaching two computers to the same display(s), keyboard, and/or mouse through a KVM switch
C)When using a portable device that attaches to wired and wireless networks
D)On a gaming computer

Answer 1

A

Question 2

Power supplies are rated in _____.[ volts | volt amps | watts | amps ]

Answer 2

Watts

Question 3

What two items would be used when a technician is working in a subbasement wiring closet that is filled with dust, mildew, mold, and debris? (Choose two.)
[ antistatic brush | denatured alcohol | safety goggles | general-purpose cleaner |
toner vacuum | air filter/mask | special vacuum bags ]

Answer 3

Safety goggles and air filter/mask

Question 4

A new service manager is cleaning out the storeroom and discovers a very old bottle of rubber roller cleaner.The store no longer services printers.What two items would contain information about how the contents should be disposed of? (Choose two.)
[ MSDS | ESD | EMI | TMI | PMS | SDS | TP ]

Question 5

An ESD strike is recoverable.

Question 6

Which two of the following can be applied to a lint-free cloth to clean an LCD? (Choose two.)

A)Water
B)Bleach
C)Isopropyl alcohol
D)Glass cleaner
E)Vinegar

Question 7

Which computer component converts electricity from the wall to a type that a computer can use? [ storage device | motherboard | VRM | power supply ]

Question 8

All-in-one computers can have hard drives, RAM, and optical drives installed.

Question 9

List three types of connections to a desktop PC front panel.

Question 10

Which of the following power supplies are better for energy efficiency?
[ 80 PLUS Silver | 80 PLUS Bronze | 80 PLUS Platinum | 80 PLUS Gold ]

Question 11

What recommendation should a technician give for a computer in the garden section of a home improvement store.Note that the computer is not out in the weather, but is not air conditioned.This section of the store has portions of it that are susceptible to the weather.

A)Install additional processors.
B)Have a maintenance kit beside the computer at all times.
C)Use a keyboard cover.
D)Install additional cooling devices.

Question 12

Write one sentence a technician might write in an email that demonstrates poor written communication skill.Then rewrite the same sentence to show how the sentence should be written.

Question 13

An ATX power supply has two 8-pin connectors.What are the purposes of the two connectors? (Choose two.)
[ CPU power | video adapter | PATA hard drive or optical drive | case fan | motherboard power ]

Question 14

Which of the following is an example of EMI?

A)A technician shares technical information using technical jargon so much that the customer is confused.
B)A technician performs maintenance that extends the life of the PC.
C)A component is weakened because a technician touched it.
D)A speaker crackles whenever a cell phone is near the PC.

Question 15

The power supply is sometimes a source of unusual problems.Which symptoms listed below could give warning signs to power supply problems? (Select all that apply.)

A)The computer reboots or powers down without warning or reboots continuously
B)Radio Frequency Interference
C)Low humidity
D)The power supply fan is noisy (emits a loud noise).
E)The computer emits a burning smell, emits smoke, or is overheating

Question 16

What power mode takes the longest to come out of?
[ suspend | sleep | Wake on LAN | hibernate | Wake on Ring ]

Question 17

What voltage is commonly used for hard drives and optical drives?

A)+ 3.3 V, + 12 V
B)-5.0 V, + 12V
C)+ 5.0 v, + 12V
D)115 V, 220V

Question 18

The power supply MUST match the form factor of which of the following?

A)Processor
B)RAM
C)Case
D)Fan