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
high-voltage power supply
None of these
printer head
fuser

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

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

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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:

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

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Computer Hardware
You run a super wing-ding diagnostic program on your PC, and it reports that your hard drive, microprocessor, RAM, and video card have seen better days. To resolve this problem you should:

replace each part one at a time, rerunning the diagnostic before replacing the next part.
replace everything at once and rerun the diagnostic
check to see if you have a software problem
run an exhaustive memory check
get another copy of the diagnostic program

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