Physical Identification

Mouse

Mouse is an important device used as a graphical pointer (cursor) for graphical selection without using keyboard.

Mouse usually has two or three buttons. Which activates by pressing with the help of fingers.

In 2 buttons mouse left button is used for selection with the help of index finger & right button used for deselecting functions.

Pressing of mouse is confirmed by click sound. Click the mouse means press the left button with index finger.

In 3-button mouse the extreme left and extreme right button are used in the same manner as in the two-button mouse.

The middle button is used rarely and for special task.

Mouse connects to the CPU box through D-type female connector or PS/2 port as per CPU requirement.

Nowadays scroll mouse are more popular, which has a rotatory disc at the top of mouse to move the cursor without changing the position of mouse.