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please tell me about switch mode power supply, how it works and advantages?
tell me some about smps (switch mode power supply) and its working, how it is useful in computer
If you live in Europe, make sure to use the 120 setting, if you live in the USA, use the 240. It is meant for optimal operation of the computer. Different country's use different settings because of air wave signals and whatnot.
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Switching Power Supply Noise - Magnetic fields
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