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CompTIA A+ > Power Supply > Flashcards

Power Supply Flashcards

1
Q

Power Supply

Transform AC from wall outlet to DC for the computer.

A

Power Supply

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2
Q

Power Supply

These are standard connectors for motherboards

A

20-24 pin ATX
–AND–
4-8 pin P4

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3
Q

Power Supply

Molex and Sata connectors are for

A

Peripherals and drives.

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4
Q

Power Supply

How many screws are required to mount a power supply to a case?

A

Four

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5
Q

Power Supply

Orient the power supply so that the fan draws air

A

AWAY from the system

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6
Q

Power Supply

Connect motherboard

A

Primary and secondary power.

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7
Q

Power Supply

These offer less cable clutter than non-modular PSUs

A

Modular PSUs

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8
Q

Power Supply

You should get a PSU with a little more wattage than

A

What you need

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9
Q

Power Supply

You should shop for these types of power supplies

A

Higher-efficiency

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10
Q

Power Supply

These types of power supplies cut down on cable clutter

A

Modular Power Supplies

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11
Q

Power Supply

This draws heat from electrical components

A

Heat Sink

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12
Q

Power Supply

Fans blow heated air both

A

Through
–AND–
Out of the system

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13
Q

Power Supply

Fan speed and noise can be controlled through

A

Firmware and software

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14
Q

Power Supply

If experience a burning smell or see smoke than you have a

A

A power supply that will die fast

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15
Q

Power Supply

If a power supply causes intermittent problems then it is

A

Dying slowly

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16
Q

Power Supply

Use these to test power supplies

A

PSU tester
–or–
multimeter

17
Q

Power Supply

These events can make it seem like your PC is dead

A

Incorrectly installed

CPUs
–OR–
RAM

18
Q

Power Supply

Before mounting core components into a case you need to do this

A

Test them!

19
Q

Power Supply

Errors in System Setup can cause a

A

Dead PC

20
Q

Power Supply

This will wash away your sins and get you out of jail

A

Clearing your CMOS jumper

21
Q

Power Supply

These are Windows offers to help with potentially bad RAM

A

Diagnostic Tools

22
Q

Power Supply - Quiz

Simplifies power supply cable management by enabling you to add and remove plug-in cables as needed to power components

A

Modular power supply

23
Q

Power Supply - Quiz

Small-form-factor power supply

A

Flex Power Supply

24
Q

Power Supply - Quiz

Has all of its power cables soldered to the power supply unit (PSU)

A

Soldered Power Supply

25
Q

Power Supply - Quiz

What does the on/off switch on a power supply do?

A

It allows power to flow from the plug into the power supply

26
Q

Power Supply - Quiz

Each computer has its own

A

on/off switch.

27
Q

Power Supply - Quiz

This PSU sends power to the CPU

A

ATX 12V

28
Q

Power Supply - Quiz

A primary characteristic to be considered when choosing a power supply

A

Efficiency

29
Q

Power Supply - Quiz

The quietest noise solution is

A

Liquid Cooling

30
Q

Power Supply - Quiz

Varies depending on size and speed of fan

A

Fan Noise

31
Q

Power Supply - Quiz

These spans spin faster to move the same amount of air as larger fans so they tend to be

A

Louder

32
Q

Power Supply - Quiz

This is a fan controller program, not a coolling solution

A

SpeedFan

33
Q

Power Supply - Quiz

This causes shutdowns and reboots

A

CPU overheating

34
Q

Power Supply - Quiz

Checks the voltage of each wire

A

Power supply tester

35
Q

Power Supply - Quiz

This type of power supply failure may be accompanied by a burning odor.

A

Catastrophic

36
Q

Power Supply - Quiz

A catastrophically-failed power supply is

A

Dead and it cannot provide enough power for slow performance or rebooting.

37
Q

Power Supply - Quiz

Power supply voltage decay over time is a symptom of a

A

Slowly failing power supply.

38
Q

Power Supply - Quiz

These can cause unexpected or unpleasant noise

A

Cables or loose items that contact spinning fan blades.

39
Q

Power Supply - Quiz

If installed RAM does not show up in the CMOS setup program what should you do?

A

Re-seat the RAM module(s).

CompTIA A+ (26 decks)

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