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Computer Hardware

Computer Hardware
A standard multimeter is ideal for measuring a monitors high voltage output.

1

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Computer Hardware
A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?

check the jumper setting on the cd-rw
flash or upgrade the BIOS
check the CONFIG.SYS
None of these
add cdrw in the device manager

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Computer Hardware
An important first step in troubleshooting which component in a laser printer is causing a jam is to:

remove the jammed paper
check all voltages
look up error codes
turn the printer off, then on again
note where in the paper path the paper stops

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

4
None of these
3
8
7

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Computer Hardware
During the fusing process, toner is:

electrically bonded to the paper
melted into the paper
dry pressed into the paper
glued to the paper
high pressure sprayed onto the paper

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Computer Hardware
What would you ask to determine if the display is working?

Did the computer beep or chime?
All of the listed here
Is there high voltage static on the screen
Is there a video cursor or action on the screen?

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