The mouse is a small device used to point to a particular place on the screen and select in order to perform one or more actions. It can be used to select menu commands, size windows, start programs etc.

The most conventional kind of mouse has two buttons on top: the left one being used most frequently.

Left Click : Used to select an item.

Double Click : Used to start a program or open a file. Right Click : Usually used to display a set of commands.

Drag and Drop : It allows you to select and move an item from one location to another. To achieve this place the cursor over an item on the screen, click  the left mouse button and while holding the button down move the cursor to where you want to place the item, and then release it

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