Computer Hardware
ESD damage can be caused by:

Repeated sags in current supplied from outlets
Touching metal on the chasis
Placing an IC on a grounded mat
Placing an IC in a non-conductive plastic bag
None of these

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

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