Trackball;A trackball is a stationary pointing device.It move the pointer using a trackball. It rotate the ball with fingers
Mouse:It is a pointing device it is very comfortable.it move a mouse the pointer on the also move.It is used simple
Trackball;A trackball is a stationary pointing device.It move the pointer using a trackball. It rotate the ball with fingers
Mouse:It is a pointing device it is very comfortable.it move a mouse the pointer on the also move.It is used simple