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Computer Hardware

Computer Hardware
To test for AC ripple on a PC power supply, you would set the volt/ohm meter for

Farad scale
OHM scale
DC voltage scale
AC voltage

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

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

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Computer Hardware
A laser printer generates a totally black page, what is the cause?

no power to the primary corona
low level in the toner cartridge
no power to transfer corona
None of these
malfunctioning imaging laser

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Computer Hardware
How much video RAM is needed to display 1024x768 at 24-bit color?

None of these
8MB
4MB
1MB
512KB

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Computer Hardware
The mouse pointer moves erratically, what is the possible cause? The mouse

None of these
is not connected
ball is dirty
has an incorrect IRQ setting
driver is not installed properly

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Computer Hardware
After you service a laser printer, you notice dirty print. Which of the following would correct the problem.

Clean the laser diode
Clean the developer tank
Reset the printer
Run several blank pages
None of these

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MORE MCQ ON Computer Hardware

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