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Computer Hardware

Computer Hardware
A parity error usually indicates a problem with:

power supply
hard drive controller
hard drive
memory
I/O controller

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Computer Hardware
What is the best ground for a conductive work bench?

None of these
To the motherboard
To the PC's Chassis
Ground to bench
AC outlet

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Computer Hardware
A hard disk is divided into tracks which are further subdivided into

clusters
sectors
vectors
heads

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Computer Hardware
What allows you to print on both sides of the printer?

None of these
paper-swapping unit
fuser
duplexer
toner cartridge

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Computer Hardware
On a dot matrix printer, you should never lubricate which part?

carriage rails
printhead pins
None of these
paper advance bearings
carriage bearings

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Computer Hardware
What device prevents power interruptions, resulting in corrupted data?

Data guard system
Surge protector
Battery back-up unit
Multiple SIMMs strips

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