电脑器材作用英文表达

monitor：
you can see pictures or information on it

keyboard：
to put information into a computer or other machine

scanner：
to allow written or printed information to be taken onto a computer and stored there

graphics:
to represent objects or facts, especially in a computer program

mouse :
you can move it with your hand to give instructions to the computer

speakers:
to give out the sound

touchpad :
you can type or print by touch it, and you can use it to instruct the computer

webcam :
a small e-camera connected to the computer to show what it "sees"

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