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Earlier discussion
1 older comment kept for context.
isaac alamu
THE CORRECT OPTION IS A(INPUT DEVICE) the mouse is use to command the computer by the act of pressing it keys,(the three button) the left,the right and the center key or the mouse wheel,it's function almost like the computer keyboard their work is simillar,they are both input device they help the computer user to communicate with the computer...they can be use to move the cursor from one place to another.