What Is a Power Supply on a Computer?
A power supply is an essential hardware component enabling a computer to function. While every personal computer has some form of power supply, many people may be curious what a power supply actually is.FunctionThe primary function of a computer power supply, also known as a PSU (Power Supply Unit), is to convert relatively high voltage AC (alternating current) electricity into relatively low voltage DC (direct current).SignificanceA computer’s components are only compatible with direct current. This means that a power supply is essential for converting electricity from a wall outlet in a building into energy the computer can use.IdentificationA computer’s power supply is somewhat easy to locate, since it is where a computer’s power cord actually connects. This is often a three-pronged socket on desktops and a socket of various types on a laptop.Current SwitchA desktop computer power supply often has a switch for setting voltage between 110/115 and 220/230. It should be switched to mat
