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Computer Hardware

Computer Hardware
If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.

43952
50 - 110
15 - 25
44124
2.5 - 5

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Computer Hardware
Which provides the fastest data access time?

Hard disk
None of these
ROM
RAM
CD-ROM

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Computer Hardware
Modems use transmission.

asynchronous
bank
synchronous
timed interval

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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?

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

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Computer Hardware
What command is used to hang up a MODEM when using the "AT Command set"?

ATD
ATH
ATZ
None of these
ATR

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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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