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Computer Hardware

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

None of these
ATD
ATH
ATR
ATZ

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Computer Hardware
To test for AC ripple on a PC power supply, you would set the volt/ohm meter for

DC voltage scale
Farad scale
AC voltage
OHM scale

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Computer Hardware
WRAM is used on a

motherboard
modem
None of these
ata connector
video card

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Computer Hardware
The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?

Power up boot process
Power on Self Test
Start-up utility test
Power on start up process
None of these

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Computer Hardware
Which is the most difficult environmentally to dispose of?

floppy drives
CRTs
hard drives
system boards
power supplies

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Computer Hardware
What device protects against line deficiencies?

Surge protector
Capacitor
UPS
Logic probe

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