Computer Hardware
You must service the laser printer in your office. Which part of the printer shoud you avoid touching because it is hot?

primary corona
None of these
fuser
high-voltage power supply
printer head

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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:

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

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Computer Hardware
To install a second IDE drive into a computer, you must

Verify that you define the new drive as D: in the CMOS setup
Set the master-slave jumper to slave on the second drive
Verify that you attach the drive to the connector at the end of the ribbon cable
Use the IDE configuration software to set the new drive as slave

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