Computer Hardware
The acronym HDI stands for:

Hard disk interface
Help desk interference
None of these
Head to disk interference
Half duplex interface

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Computer Hardware
Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:

software tends to mess up IRQs
I/O addresses cannot conflict
software tends to correct I/O conflicts
there are a lot more I/O addresses than IRQs.
the BIOS sometimes has more of a problem controlling IRQs

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Computer Hardware
What is the most likely cause of an "FDD controller Failure" error message?

None of these
you forgot to flash CMOS
your computer's floppy drive is defective
you did not set the jumper on the floppy drive to drive A
you installed the floppy disk drive cable backward

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

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

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