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Computer Hardware

Computer Hardware
From what location are the 1st computer instructions available on boot up?

CPU
None of these
ROM BIOS
CONFIG.SYS
boot.ini

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

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

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Computer Hardware
How many devices does USB support?

125
100
225
None of these
127

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Computer Hardware
What is the i/o address for com1?

3f8
8
5f8
3bc
300000000

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Computer Hardware
Type one PC cards

are used only in desktops
none of the listed here
are no longer being produced
are the thinnest of the PC cards

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Computer Hardware
An IRQ allow interface cards to:

Pass data to the CPU to be processed
Pass data to the computers memory
Interrupt the CPU to request service
Pass data from one card to another

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