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A computer power supply takes in electricity from it's source, we'll say for example a 120 volt wall outlet and then transforms it into the native 12 volt power usually required by system boards.
It also provides other power leads as needed for devices, such as 3.3 volt for smaller devices, controllers and the like, and 5 volt for a CD-rom drive or hard drive?
A good power supply also cleans up the power some and takes the brunt of all fluctuations in the source power.
Hope this helps!
What else can I help you with?
What is the role of reactive power in a power system?
To supply the reactive power demand of load and to regulate of output volage at the grid
Full form of UPS related computer?
UPS = Uninterruptible Power Supply
What is the power of a power supply?
power supply is a device that supplies electric power to electrical load
Regulated power supply?
all about regulated power supply
What are advantages of power supply?
Advantage of regulated power supply.
What power supply should you replace a 175 watt power supply with?
any power supply with at least 175 watts
What is power supply?
If it is a computer power supply it is the box that gives the computer its power from the outlet.
What is application of power transistor?
Power amplifierPower supply regulatorSwitching power supply chopperetc.
Why does the power supply unit have a fan built?
To keep the power supply cool. If there were no fan the power supply would overheat and fail.
When do you need to replace the computer power supply?
When your computer will not power on. When the cooling fan of the power supply has failed. When the amount of hardware in use in your case exceeds the power capability of your power supply.
What is the use of a power supply?
power supply is a device that supplies electric power to electrical load
Full form of DC power supply?
DC Power is Direct Current Power Supply.
