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Update index.md (#20308)

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Added additional information about power supplies.
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Andy Butler
2018-10-29 08:42:08 -06:00
committed by Tom
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guide/english/computer-hardware/index.md
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@ -33,7 +33,7 @@ A case is used to house all the components of a computer.
![Case](https://images-na.ssl-images-amazon.com/images/I/41Wq97Jk20L._SL500_AC_SS350_.jpg) ![Case](https://images-na.ssl-images-amazon.com/images/I/41Wq97Jk20L._SL500_AC_SS350_.jpg)
### Power Supply ### Power Supply
A power supply is an electronic device that supplies electric energy to an electrical load. A power supply is an electronic device that supplies electric energy to an electrical load. A computer power supply supplies electrical energy to all the components of the computer including: the motherboard, disk drives, and fans. Power supplies vary in the amount of output they provide and power supplies must be matched to the number of components needing power so they are not overloaded.
![Power Supply](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/SFX_PC-PSU_Delta_IMG_9760.JPG/620px-SFX_PC-PSU_Delta_IMG_9760.JPG) ![Power Supply](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/SFX_PC-PSU_Delta_IMG_9760.JPG/620px-SFX_PC-PSU_Delta_IMG_9760.JPG)