Power Supply Meaning In Computer

The power supply converts a 110 115 or 220 230 volt ac alternating current into a steady low voltage dc direct current usable by the computer and rated by the number of watts it generates.
Power supply meaning in computer. It s a system that was put in place over ten years ago to outline the variety of different classed psus clearly. Ink toner finder. A power supply provides components with electric power. So nowadays with a budget friendly case that has a psu shroud they do exist and a more.
The 80 plus system is used to rate computer power supplies psus based on their reliability and efficiency. A power supply unit or psu converts mains ac to low voltage regulated dc power for the internal components of a computer. The term usually pertains to devices integrated within the component being powered. These are typically built into machinery or other equipment.
It also regulates the voltage to an adequate amount which allows the computer to run. Most modern desktop personal computer power supplies conform to the atx. For example computer power supplies convert ac current to dc current and are generally located at the rear of the computer case along with at least one fan. The 80 plus power supply rating system is simple and requires only a quick review to internalize.
Whilst the 80 plus system may look quite technical. It receives power from an electrical outlet and converts the current from ac alternating current to dc direct current which is what the computer requires. A power supply is a hardware component that supplies power to an electrical device. A bench power supply is a stand alone desktop unit used in applications such as circuit test and development open frame power supplies have only a partial mechanical enclosure sometimes consisting of only a mounting base.
It converts the alternating current from your wall outlet into a continuous form of power called direct current that the computer components require. Power supplies are packaged in different ways and classified accordingly. Psu shrouds offer the ability to hide excess cables that aren t used on a non modular power supply. The image shows an antec true 330 a 330 watt.
Find the correct wattage power supply for your computer. Get the correct ink toner for your printer. Battery adapter finder. Search for compatible replacement batteries for a multitude of devices.
The power supply unit is the piece of hardware that converts the power provided from the outlet into usable power for the many parts inside the computer case. It s actually quite simple to understand once explained. Modern personal computers universally use switched mode power supplies some power supplies have a manual switch for selecting input voltage while others automatically adapt to the mains voltage. Abbreviated as ps or p s a power supply or psu power supply unit is a hardware component of a computer that supplies all other components with power.
If you don t understand the system you ll have to be lucky to avoid spending too much money or getting a too weak power supply.