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Computer Hardware

Computer Hardware
COM 4 uses which I/O port?

2E8H
2F8H
3F8H
3E8H
None of these

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Computer Hardware
Which part of the laser printer should NOT be exposed to sunlight?

None of these
Toner cartridge
PC drum
Primary corona wire
Transfer corona assembly

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Computer Hardware
Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

blow real hard on the system board
non-static compressed air
use a lint-free cloth and wipe gently
reverse vacuum
any small vacuum device

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Computer Hardware
Which step should you perform first before discharging a CRT?

Turn power off before removing power source
Remove the CRT from its housing
Disconnect the CRT from the computer
Remove the video assembly

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Computer Hardware
What resistance in ohms should be displayed when testing a speaker in a computer?

-200 Ohms
Q Ohms
16 Ohms
Unlimited Ohms
None of these

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Computer Hardware
Your customer tells you the print quality of their dot matrix printer is light then dark. Which of the following could cause the problem.

Improper ribbon advancement
Paper slippage
None of these
Head position
Paper thickness

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