A power supply unit (PSU) converts to low-voltage regulated for the internal components of a computer. Modern personal computers universally use a . Some have a manual selector for input voltage, while others automatically adapt to the supply voltage.
Most modern desktop personal computer power supplies conform to the
now a days
this is an input device An input device is any piece of hardware which is used to enter data or content into a computer system
This is the ‘brain' of a computer because it performs all the calculations that the computer does.
this is were it comes out