单选题which of the following actions will you not take before beginning installation or removal of anyNON-PNP hardware device inside the computer case?（）APlace all the hardware components in static proof bags.BRemove all the jumpers from the motherboard.CSwitch off the main power and remove the power cordDUse an anti-static wrist strap.ETurn off the computer.FPlace the computer on the anti-static mat
单选题
which of the following actions will you not take before beginning installation or removal of anyNON-PNP hardware device inside the computer case?（）
A
Place all the hardware components in static proof bags.
B
Remove all the jumpers from the motherboard.
C
Switch off the main power and remove the power cord
D
Use an anti-static wrist strap.
E
Turn off the computer.
F
Place the computer on the anti-static mat
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