A Plus Hardware Certification Question: Download A + (Plus) Hardware PDF

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

Option B
check to see if you have a software problem

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