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Computer Hardware

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

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

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Computer Hardware
What are the most likely conditions for ESD?

Cold and wet
None of these
Hot and dry
Hot and wet
Cold and dry

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Computer Hardware
A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem?

None of these
A second bad keyboard
The motherboard
The keyboard connector
The keyboard controller chip

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Computer Hardware
The POST routine, which counts system board RAM first, is stored in:

8259 POST controller
RAM
ROM BIOS
microprocessor
CMOS

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Computer Hardware
What allows you to print on both sides of the printer?

paper-swapping unit
toner cartridge
fuser
None of these
duplexer

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Computer Hardware
What's the best way to protect your hard drive data?

run chkdsk at least once a week
periodically defrag it
run scandisk at least once a week
regular backups
run a regular diagnostic

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