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4 is the highest horse power in aircon
SMPS(switch mode power supply)
Yes.
SMPS stands for switched mode power supply
normally the power button :)
it is used to supply power to motherboard and other peripherals
A stop switch is wired in series with the power supply and the load.
AT power supplies have a manual power switch function. Usually on the Power Supply itself, but some times wired to the case. Check your power wiring diagrams.
Switch Mode Power Supply =)
smps means switch mode power supply
No the power comes from something other than the switch.
The switch on the back is the switch for the power supply only. The computer boots from the main power switch on the front. This particular method of switching was introduced with the ATX power supplies.