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Computer Hardware

Computer Hardware
How many DMA channels are in an AT-machine?

7
3
4
None of these
8

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Computer Hardware
To find out how much memory is available, you could type _____

EMM
CHKDSK
MEMMAKER
None of these
MEM

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Computer Hardware
What should he used to extinguish a computer fire?

None of these
fire hose
class a extinguisher
class c extinguisher
silver foam water

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Computer Hardware
On the 16-bit ISA bus, IRQ2 is elevated to which higher level interrupt?

10
11
9
12

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Computer Hardware
What voltage does a 586 system use?

+3.3 volts
+12 volts
None of these
+ 8 volts
+ 5 volts

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Computer Hardware
Current is measured in units of:

volts
amps
ohms
farads
diodes

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