Computer Hardware
When your hard drive crashes from any of the correct selections in the question above, or from dropping it, it is known as head-to-disk interference, or HDL

1
loop backs (wrap plugs)
None of these
sniffer

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

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