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

Answer: Option B