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Computer Hardware

Computer Hardware
The DC voltage on most circuit boards is:

12 volts
+5 volts
0 volts
-12 volts

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Computer Hardware
What product is used to clean smudged keys on a keyboard?

TMC solvent
Silicone spray
None of these
All-purpose cleaner
Denatured alcohol

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Computer Hardware
During the boot process, a system first counts memory from where?

Cache
Video adapter
None of these
Expansion memory board
System board

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Computer Hardware
After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem?

defective tape driver
defective LPT port
IRQ
DMA

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Computer Hardware
You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first.

hard drive manufacturer web site information
jumpers on the hard drive
cable sequence
drivers that need to be loaded
None of these

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Computer Hardware
In which mode can 2 or more applications be stored in memory at the same time?

Segmented Mode
Protected Mode
Real Mode
Unprotected Mode
None of these

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MORE MCQ ON Computer Hardware

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