1.3.2 Power Supply
The Power supply of the PC converts the standard household power supply to a form that is usable by the PC. The power supply supplies power to every component of the PC. The power supply is visible from the back of the PC. It is recognizable by the power supply fan and the power cord connector. The power supply is situated in a corner of the system case. A case and a metal cover on the top of the case cover the power supply. The power supply case protects the internal parts of the power supply. It also isolates the parts of the power supply from the rest of the PC. It protects the PC user from electric shocks. The power supply has various connectors that connect to the motherboard and disk drives.
The various uses of the power supply are :
System Cooling – Controls the power supply fan, which performs the function of cooling of the system components.
Performance Stability– Is crucial to the proper functioning of the PC. An inefficient power supply can lead to problems like system bugs and hard drive problems, which do not even appear related to the power supply.
Reduction of Power Consumption – Plays an important role in the conservation of electricity.
Expandability Options – Is an important factor in the upgrade of a PC. The power supply should be efficient enough to support additions to the system. If the power supply does not have the required capacity, it will have to be replaced.
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