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COMPUTER HARDWARE

Computer Hardware
How many IRQs does a chain of USB devices require?

1
2
3
None of these
4

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Computer Hardware
Resistance is measured in units of:

amperes
helids
ohms
volts
farads

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Computer Hardware
How is ink transferred to paper in common ink jet printers?

Boiling ink
Motorized pump
Ink is sprayed on to the paper and managed by a nozzle
Screens deflect ink on the paper into the proper positions
Crystal

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Computer Hardware
In inkjet printers, what is the most common problem with the paper tray?

paper jamming on the ink cartridge
None of these
inconsistent printing
malfunctioning pick-up rollers
misalignment of the sheet feeder

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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?

None of these
power supply
video card
hard drive
power cable

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