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Computer Hardware

Computer Hardware
Which I/O port belongs to LPT2?

378H
3f8h
278H
2e8h
None of these

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Computer Hardware
What would you ask to determine if the display is working?

All of the listed here
Is there high voltage static on the screen
Is there a video cursor or action on the screen?
Did the computer beep or chime?

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Computer Hardware
What problem can occur if a printer cable is to close to a power cable?

None of these
no affect
EMI Electromagnetic Interference
parity error
ESD Electrostatic Discharge

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Computer Hardware
After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem?

defective LPT port
DMA
defective tape driver
IRQ

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Computer Hardware
When not in use, it is very important to keep 5 1/4 diskettes in _____.

In the floppy drive
In a plastic bag
None of these
On a shelf in an upright position
Their protective sleeves

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Computer Hardware
On PC power supplies, the wire attached to pin one is usually:

red or black
white or orange
red or white
blue or white
blue or red

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