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How PC Power Supplies Work | Computer Hardware
by greeta3 on Mar 14, 2011
If there is any one component that is totally important to the functioning of a computer, it’s the power supply. A computer, without it is just a lifeless box full of metal and plastic. It converts the alternating current (AC) line starting from your residence to the direct current (DC) required by the personal computer.
In personal computer hardware , the power supply is the metal box generally found in a corner of the case. It is noticeable from the back of several systems because it contains the power cord container and the cooling fan. Power supplies, frequently referred to as “switching power supplies”, use switcher technology to convert the AC input to lower DC voltages. The typical voltages supplied are: 3.3 volts, 5 volts and 12 volts.
The 3.3 and 5 volts are normally used by digital circuits, whereas the 12 volt is used to run motors in fans and disk drives. The main specification of a power supply is in watts. Voltage has a product known as watt in...Read More >>
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