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

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Computer Hardware
You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?

the phone line is plugged into the line-in port on the modem card
The port speed is set too high
the phone line out of the wall is plugged into the phone port on the modem card
the modem has not been set up in control panel properties
None of these

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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
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
Use a meter to check the CRT and internal circuitry for continuity

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