Computer Hardware
When connecting a ribbon cable to a connector, how do you know which direction to plug it in?

It does not matter
The colored line in the cable goes to pin #1
The blue or red line in the cable goes away from the power connector
The red line in the cable goes to the highest pin number

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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:

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

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