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

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
The area where ail the of the Basic input/output routines are stored

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

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

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