CompTIA A+ (220-1001) Section 8

A power supply with optional cable plug-ins is known as a what?

Soldered power supply

Option power supply

Flex power supply

Modular power supply

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

Provides wall power to the power supply.

Turns on the computer.

Applies power to the "power good" wire.

Nothing; power supplies autodetect power and turn on or off accordingly.

The four/six/eight pin connector (known as the P4 connector) on the ATX 12V power supply provides power to which computer component(s)?

SATA drives

Optical drive

CPU

SSD

Which is a primary characteristic to be considered when choosing a power supply?

Cable lengths

Efficiency

UPS compatibility

Power sag rating

Which is the quietest cooling solution?

Small fan on a heat sink

Large fan on a heat sink

SpeedFan application

Liquid cooling

What is the primary result of overheating the CPU?

Faster fan spinning

Increase performance

System slowdowns

Shutdowns and rebooting

The voltages output by a PSU can be checked with which tool?

Power supply tester

Your finger

A bent paper clip

Smoke detector

Catastrophic (fast) power failures typically include which symptom?

Slow system performance

Rebooting

Burning smell

Dropping voltages over time

Unexpected noise coming from inside a running computer likely comes from what?

The system speaker failing

Something interfering with a fan

Beep codes generated by failing RAM.

The CPU overheating.

If installed RAM does not show up in the CMOS setup program, what is the best course of action?

Re-seat the CPU.

Re-seat the RAM module(s).

Re-seat the main power connector.

Add cooling fans to the RAM module(s).

CompTIA A+ (220-1001) Section 8

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