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Computer Hardware

Computer Hardware
Which peripheral port provides the FASTEST throughput to laser printers?

RS-232
Parallel
SCSI
Serial
None of these

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Computer Hardware
The mouse pointer moves erratically, what is the possible cause? The mouse

None of these
has an incorrect IRQ setting
is not connected
ball is dirty
driver is not installed properly

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Computer Hardware
Resistance is measured in units of:

volts
amperes
helids
farads
ohms

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Computer Hardware
How can you totally protect a PC from damage during an electrical storm?

Disconnect the AC power cable
Use a surge protector
Disconnect all external cables and power cords
None of these
Turn off the AC power

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

sectors
vectors
clusters
heads

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Computer Hardware
Which of the following is a type of preventative maintenance used on a hard drive?

None of these
Initializing
Disk check diagnostics
Uninstalling programs
Head alignment diagnostics

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