Computer Hardware
A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

The cables are attached firmly
The external drive is turned on
All of these
The external drive has been pre¬loaded with the appropriate software
The external drive was attached before the computer was on

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Computer Hardware
ISDN stands for:

interior sector direct none
integrated services digital network
inferior sector data net
interval set down next
internal select data nulls

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Computer Hardware
You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

you don't worry; you've got a surge protector on your PC and phone line to your modem
you don't worry; you've got a surge protector on your PC
stop standing on it
unplug the PC and remove phone line from the modem
you don't worry; you have a lightning rod on your house

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Computer Hardware
In laser printer technology, what happens during the conditioning stage?

None of these
All of these
A uniform negative charge is placed on the toner
A uniform negative charge is placed on the photosensitive drum
The corona wire places a uniform positive charge on the paper

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