In a computer there is a PSU 'power supply unit'. They have different fetures depending on the age of the unit. On an older unit it will have a output to power a monitor. On a modern unit it will only have a power in and an on/off switch. Its main purpose is to supply a constant supply of 5 or 12 volts to the computer components. It aso has to convert AC to DC.
Computer Components Power Supply
In a computer there is a PSU 'power supply unit'. They have different fetures depending on the age of the unit. On an older unit it will have a output to power a monitor. On a modern unit it will only have a power in and an on/off switch. Its main purpose is to supply a constant supply of 5 or 12 volts to the computer components. It aso has to convert AC to DC.
