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Computer Hardware

Computer Hardware
What is modified when changing the system start-up boot sequence?

BIOS/CMOS
CONFIG.SYS
COMMAND.COM
autoexec.bat
None of these

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Computer Hardware
IDE cables have how many pins?

65
40
50
25
100

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Computer Hardware
How can you totally protect a PC from damage during an electrical storm?

Disconnect all external cables and power cords
None of these
Turn off the AC power
Disconnect the AC power cable
Use a surge protector

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Computer Hardware
What problem can occur if a printer cable is to close to a power cable?

ESD Electrostatic Discharge
parity error
None of these
no affect
EMI Electromagnetic Interference

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Computer Hardware
What is the main communication method from one PDA to another PDA?

IEEE 1394
IR
None of these
USB
RS-232

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Computer Hardware
Current is measured in units of:

volts
farads
amps
ohms
diodes

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MORE MCQ ON Computer Hardware

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