Computer Hardware
A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?

power cable
video card
power supply
None of these
hard drive

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

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Computer Hardware
Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:

software tends to mess up IRQs
I/O addresses cannot conflict
software tends to correct I/O conflicts
the BIOS sometimes has more of a problem controlling IRQs
there are a lot more I/O addresses than IRQs.

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