What is mouse?

 

What is mouse?

It is a pointer device which operates all types of graphical information. It consists two to three buttons.

1.       Left button- general purpose used

2.       Right button- Special purpose used

  Middle button- Additional purpose

 It is an electro-mechanical device used as a pointer to select items from an 'On screen' menu. Mouse was originally designed with the idea of reducing the number of key strokes required for a particular task. The mouse uses a ball which activates the switches situated on the side of the curve on which the ball is placed and on the moving the ball, the signal sent to the CPU to detect the movement of the mouse across a flat surface, a mouse pad is used.

A scientist Dugles C. Engelwart has invented. This equipment in 1977 at Stanford Research Laboratory. previously it was known pointer device. This is of four types:

•  mechanical mouse 
• optical mouse 
• Bus mouse 
• serial mouse

Mouse is generally a square box in which a rubber pad is fixed below and buttons on top. in a mouse normally two buttons exists in which only left button is used frequently. right button is used sometimes. in some special cases. in different programs by mouse we can affect the display on the screen. mouse cursor is generally an arrow point which moves according to instructions given by the mouse.