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The power supply in the computer is what provides power to all of the components inside the PC. It also has the role of powering up the computer. The power supply not only powers the motherboard, but everything else inside the computer, including the video card, peripheral cards, hard drives, etc.

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Eldred Bergstrom

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2y ago
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11y ago

Basically what the name implies, supplies the power.

It changes the power in your wall socket into power that is usable for the computer. (A computer cannot simply use the power in your home wall socket)

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9y ago

The power supply in the computer is what provides power to all of the components inside the PC. It also has the role of powering up the computer. The power supply not only powers the motherboard, but everything else inside the computer, including the video card, peripheral cards, hard drives, etc.

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15y ago

Plz visit this link http://www.howstuffworks.com/power-supply.htm http://computer.howstuffworks.com/question28.htm

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13y ago

A power supply unit (PSU) supplies a computer with power.

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11y ago

It takes an input voltage of 120 volts AC and changes it to the proper voltage to operate all the internal electrical components of the computer.

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Q: How does a psu work in a computer?
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Related questions

Gets electricity to the computer?

The answer is the power supply unit or PSU.


Is A computer power supply rated at 300 to 500 W?

Computer power supplies (PSU's) have a variety of ratings including as low as 200 W and as high as 1200 W. The power rating of a computer's PSU depends on the devices installed on the computer.


What is psu in system unit and its function?

A PSU in a system unit is the power supply unit. It provides well-regulated power for the computer and its peripherals.


Is it possible for additional computer RAM to make your computer slower?

Depending on what your PSU wattage is, otherwise no.


Four parts of a computer system?

RAM, storage, Motherboard, PSU.


What gets electicity into the computer?

The thing that gets electricity into a computer is the plug socket, which travels through a kettle lead (a kettle lead connects transfers electricity from the plug socket to the computer) and then into the PSU (power supply unit), which powers the motherboard, which allows the computer to work.


What type of psu is compatible with the apevia x-dreamer 4 metal mid-tower atx computer case?

All ATX-standard computer cases are compatible with all ATX-standard power supply units. Another issue is the selection of a PSU suitable for your computer components - what is the current consumption of your computer?


What is the function of a PSU?

The PSU's main job is to break down the amount of electricity and distribute it to different parts of the board. The parts are to delicate to handle the huge amounts of electricity that comes directly from the socket on the wall. Aswell as this, the electric comming from the wall is AC and the PSU converts this to DC. And importantly it helps with spikes and brown outs in the supply from the wall.


Will any power supply work in my compaq 5330?

Yes any normal psu will work in your compaq 5330. By normal, i mean a standard ATX psu. Rather than the elongated one's.Hope this helpsbe safe


What can you do to disable a computer that keeps starting up?

Take out the PSU (Power Supply Unit) It's the largest box inside your computer with a fan on it. Without power = no computer.


What is the board that operates the computer?

The motherboard... Interconnects - CPU - HDD - RAM - Optical Drives - GPU - PSU


What does PSU stands for?

There are many things that PSU can stand for:Power supply unitPublic Sector UndertakingsPennsylvania State University. Pennsylvania State University is a state school located in State College, PA.