Computer Hardware
A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem?

The keyboard connector
The keyboard controller chip
None of these
The motherboard
A second bad keyboard

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP