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Computer Hardware

Computer Hardware
A parity error usually indicates a problem with:

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

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Computer Hardware
A laser printer generates a totally black page, what is the cause?

no power to transfer corona
None of these
low level in the toner cartridge
no power to the primary corona
malfunctioning imaging laser

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Computer Hardware
What could cause a fixed disk error?

Bad RAM
Slow processor
Incorrect CMOS settings
No-CD installed

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Computer Hardware
RTS stands for:

ready to switch
ready to set
request to send
request to scan
ready to start

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

8
3
4
7
None of these

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

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

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MORE MCQ ON Computer Hardware

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