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Computer Hardware

Computer Hardware
If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.

43952
50 - 110
15 - 25
2.5 - 5
44124

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Computer Hardware
How many DMA channels are there in an AT class PC?

3
4
None of these
7
8

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Computer Hardware
"Parity" errors usually indicate bad memory.

Capacitor
True
Logic probe
FALSE

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Computer Hardware
When your hard drive crashes from any of the correct selections in the question above, or from dropping it, it is known as head-to-disk interference, or HDL

1
None of these
sniffer
loop backs (wrap plugs)

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Computer Hardware
Which is NOT typically a Field Replaceable Unit?

None of these
Power supply
System chassis
Video controller
System ROM

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Computer Hardware
Which provides the fastest data access time?

None of these
CD-ROM
ROM
RAM
Hard disk

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