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Updated index.md (#28121)

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Edited some text in the description. Elaborated text for <a> tag link in more information section.
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Nick J
2019-03-13 17:46:23 -05:00
committed by Christopher McCormack
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guide/english/computer-hardware/power-supply/index.md
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title: Power Supply
---
## Power Supply
A Power Supply Unit (PSU) supplies power to a computer. It converts AC power into steady low-voltage DC power for the internal components. A power supply is required in order for a computer to operate properly and it's wattage must be matched appropriately to all the components inside the computer. It also regulates overheating by controlling the voltage. Depending on the model of power supply, voltage control can either be manual or automatic.
A Power Supply Unit (PSU) regulates the power supply to a computer. It converts AC power into steady low-voltage DC power for the internal components. A power supply is required in order for a computer to operate properly and it's wattage must be matched appropriately to all the components inside the computer. It also regulates overheating by controlling the voltage. Depending on the model of power supply, voltage control can either be manual or automatic.
## Description
@ -58,6 +58,5 @@ A PSU is usually not user serviceable. For your safety, it is wise to never open
#### More Information:
<!-- Please add any articles you think might be helpful to read before writing the article -->
* [HowStuffWorks - How a power supply works](https://computer.howstuffworks.com/power-supply.htm)
* Power Supply: [Wikipedia](https://en.wikipedia.org/wiki/Power_supply_unit_(computer))
* [Wikipedia - Power Supply Unit](https://en.wikipedia.org/wiki/Power_supply_unit_(computer))