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Computer Hardware

Computer Hardware
Which component stores an electrical charge?

resistor
transistor
diode
capacitor
rectifier

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Computer Hardware
What are the IRQ's for sound card?

IRQ7
IRQ5
IRQ8
None of these
IRQ4

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Computer Hardware
On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:

None of these
Printhead
Carriage rails
Paper advance bearings
Platten bearings

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

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

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Computer Hardware
You get a CMOS checksum error during bootup. What is most likely the cause?

power supply is bad
hard drive types are incorrectly defined
CMOS battery is nearing end of life
BIOS needs updating

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Computer Hardware
If a computer's BIOS allows it, you can boot from a CD-ROM.

1

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