It is a Pointing devices that allows to control the movement of the pointer ( also known as Mouse pointer) on screen . Mouse performs various functions by detecting two -dimensional motion relatively to its supporting surface.Generally, a mouse has two buttons-right button and left button.
Mouse also includes a scroll wheel between these two button scroll down the application window and their contents also.
These are three types of mouse as follows:
- Wireless mouse
- Mechanical mouse
- Optical mouse
There are four actions of mouse as follows:
- Click or left Click It select an item on the screen.
- Double Click It is used to open a document or program.
- Right Click It displays a list of commands on the screen. Right clicking is used to access the properties of selected object.
- Drag and Drop It is used to move an item on the screen.