Computer Hardware
Which device should not be plugged into a standard ups?

laser printer
monitor
None of these
an external modem
ink-jet printer

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

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

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Computer Hardware
After displaying the directory of a floppy disk, a different floppy is inserted into the drive. The contents of the original floppy continue to display regardless of the director requests on the other floppies placed in the drive. You remove the drive in question and install it into your test system, and it does not exhibit the problem. You should next replace the:

None of these
Original IDE controller
System's floppy drive device driver
System's power supply
Floppy drive ribbon cable

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