Computer Hardware
You get a CMOS checksum error during bootup. What is most likely the cause?

hard drive types are incorrectly defined
power supply is bad
CMOS battery is nearing end of life
BIOS needs updating

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

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