Computer Hardware
What is the most likely cause of an "FDD controller Failure" error message?

you forgot to flash CMOS
None of these
your computer's floppy drive is defective
you installed the floppy disk drive cable backward
you did not set the jumper on the floppy drive to drive A

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Computer Hardware
Suppose that you have a the maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?

Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock
Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved
None of these
Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem

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Computer Hardware
During boot-up, the memory test

Checks and verifies that contiguous memory is installed
Displays what memory is installed, but nothing else
Is an operational error
Is a superfluous step that should be ignored

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