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Computer Hardware

Computer Hardware
Resistance is measured in units of:

volts
ohms
helids
amperes
farads

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

None of these
50Mhz
25Mhz
100 Mhz
l0Mhz

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Computer Hardware
Your customer tells you the print quality of their dot matrix printer is light then dark. Which of the following could cause the problem.

Improper ribbon advancement
None of these
Paper slippage
Paper thickness
Head position

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Computer Hardware
What IRQ is used for COM 2?

None of these
4
1
3
2

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Computer Hardware
Which controller would support an external CD-ROM drive?

None of these
ARLL
ESDI
SCSI
MFM

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Computer Hardware
What does the acronym RTS represent?

Right to separate
Required to save
Request to send
Ready to start
None of these

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