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Mouse
A mouse is a useful input device. It is a pointing device used to select various options. A mouse is a small hand-held unit with two or three buttons.

Events of Mouse

Pointing
Move the mouse on your desk to position the tip of the mouse pointer over the desired object on the screen.

Clicking
press and release the mouse button without moving the mouse.

Right-Clicking
Press and release the right mouse button without moving the mouse. Right clicking on an icon or word may display a shortcut menu.

Dragging
Press and hold the mouse button while you move the mouse pointer across the screen.