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Computer Hardware

Computer Hardware
What voltage does a 586 system use?

+12 volts
+3.3 volts
None of these
+ 8 volts
+ 5 volts

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Computer Hardware
The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is:

None of these
Disconnected video cable
Defective monitor
System RAM problem
Defect in the computers video circuitry

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Computer Hardware
A 25-pin female connector on the back of your computer will typically be:

A parallel port
Docking
Serial port 1
None of these
COM2 port

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Computer Hardware
What voltage does a Pentium system use?

None of these
+ 8 volts
+12 volts
+ 5 volts
+3.3 volts

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

None of these
l0Mhz
100 Mhz
25Mhz
50Mhz

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

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

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