Computer Hardware
In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.

First 64k above conventional
Last 64k of conventional
None of these
First 64k of extended
Last 64k of extended

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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?

None of these
Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved
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
Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock

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