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Computer Hardware

Computer Hardware
COM1 is typically represented by which of the following?

9 pin female port
9 pin male port
15 pin port
25 pin male port

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Computer Hardware
What's the best way to protect your hard drive data?

regular backups
periodically defrag it
run chkdsk at least once a week
run scandisk at least once a week
run a regular diagnostic

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

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

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Computer Hardware
Which common bus specification provides the fastest data transfer rate?

All of the listed here
VL bus
ISA
PCI

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

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

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Computer Hardware
In laser technology, what happens during the transfer stage?

None of the listed here
The laser transfers the image from the drum to the paper
Residual toner is transferred to the waste receptacle
The image is transferred from the drum to the paper

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