Computer Hardware
How does a parallel port communicate information to a peripheral device?

None of these
8 bytes at a time
one byte at a time
16,555 bytes at a time
one bit at a time

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Computer Hardware
Which would you do first when troubleshooting a faulty monitor?

Check its connections to the computer and power source
Use a meter to check the CRT and internal circuitry for continuity
Power down the computer, then turn it on again to see if that corrects the problem
Power down the monitor, then turn it on again to see if that corrects the problem

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Computer Hardware
One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:

The area where ail the of the Basic input/output routines are stored
The area that regulates all of the system power usage
The device that sends the monitor signals telling it what to display
The area where all of the processing takes place

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