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:

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

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Computer Hardware
You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

you don't worry; you've got a surge protector on your PC and phone line to your modem
unplug the PC and remove phone line from the modem
you don't worry; you've got a surge protector on your PC
you don't worry; you have a lightning rod on your house
stop standing on it

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