Computer Hardware
On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be?

In the phone line
In the modem
In the DTC equipment
In the computer
None of these

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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:

run an exhaustive memory check
replace everything at once and rerun the diagnostic
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

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