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Computer Hardware

Computer Hardware
What voltage does a 586 system use?

+ 5 volts
+ 8 volts
+3.3 volts
None of these
+12 volts

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Computer Hardware
Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?

defective modem
virus
bad phone line
software bug
defective computer

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Computer Hardware
A modem could be attached to which port?

ASYNC port
Parallel port
Video port
Keyboard connector

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Computer Hardware
Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

blow real hard on the system board
reverse vacuum
use a lint-free cloth and wipe gently
any small vacuum device
non-static compressed air

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Computer Hardware
IBM's Micro Channel Architecture (MCA) specifies which type of the following bit access widths?

None of these
16 bit & 32 bit
16 bit & 24 bit
8 bit & 16 bit
32 bit & 64 bit

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Computer Hardware
Every video card must have?

None of these
RAM
All of these
CPU
CMOS

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MORE MCQ ON Computer Hardware

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