What is the Power Supply? It is the metal box located inside the PC case that provides the power to the whole computer so it can operate, also called the PSU. It has a fan inside of it to cool down its electrical components in order to function normally. When you connect the power cord to the PC back side you are basically connecting it to the input power socket of the Power Supply. How does the Power Supply work? The power supply converts the national AC power (110v or 240…
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