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computer case

Houses the processor and other components of the computer system

alternating-current (AC) power

Electrical current
that alternates direction in cycles called hertz.
American Wire Gage (AWG): The U.S. standard
for wire size.

direct-current (DC) power

battery power
travel negative (-) to positive (+)
flows in only one direction
efficient over short distances
modern devices require DC to semi-conductors


A circuit board that contains all of the computer system's main components.

form factor

A set of specifications on the size, shape, and configuration of a computer hardware component such as a case, power supply, or motherboard.


where you place the CD. DVD,Flash drive, Hard drive etc..

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