Trackball and Mouse is that trackball is a stationary pointing device with a ball on its top or side. While mouse is a pointing device that fits comfortably under the palm of your hand. With a mouse, users control the movement of the pointer.
mouse moves by using a sensor to see how far the mouse has moved in real time and give the input to the computer. and a trackball uses sensors to see how far the ball has moved and give the input to the computer
