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Input and output Input: Mouse A mouse is a hand-held device you move on your desk to point to and select items on your screen. When you move the mouse, the mouse pointer on the screen moves in the same direction. Standard Mouse A wire connects this type of mouse to the computer that looks like a mouse's tail. A mouse is moved over a flat horizontal surface, usually a rubber mouse pad, and its position is read by the computer the standard mouse has two buttons and a tracker ball. Advantages: allows users to do tasks without using a key board and speeds up the amount of thing you can do in the same amount of time. Disadvantages: the tracker ball may become clogged and the mouse wont work as efficiently Infra red Mouse Uses an infra-red beam to detect the mouse's movement. You do not need a mouse-mat and can use any surface...

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