Mouse is a small hand held devices used to position the cursor on the screen. A selection can be made from a displayed menu by positioning the cursor over the required selection by the movement of mouse and pressing a button on the mouse to indicate that this is the selection required. Mouse can be moved over other graphical component such as button, combo box, list box etc. and mouse button can be pressed to activate various control. They can be used in art and design work. There are 3 types of mouse. There are given below:
1) Mechanical mouse
2) Optical mouse
3) Optomechanical mouse
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