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Computer Hardware

Computer Hardware
A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

None of these
25Mhz
50Mhz
100 Mhz
l0Mhz

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Computer Hardware
If a computer's BIOS allows it, you can boot from a CD-ROM.

1

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Computer Hardware
What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop?

led display cable
fuse
led display
None of these
adjustment switch

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Computer Hardware
What is the highest binary number that can be referred to on a three position jumper block?

7
1
6
4

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Computer Hardware
Type one PC cards

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

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Computer Hardware
Which I/O port belongs to LPT2?

None of these
278H
3f8h
2e8h
378H

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