A hardware used to control the mouse computer. In the late 1960s, Doug Engelbert of the Stanford Research Institute invented the first mouse. But in the decade of the 1970s it was not only popular with Xerox computers but also in other places. In the 1980s, Apple Computer introduced it in their Macintosh series, its shape was like a mouse, and its name was mouse. It is an input device, through which it is possible to control the monitor or anywhere in the program. In this case, the graphics user interface or GUI operating system is so much expanded.
1: Move the sphere to the ground.
2: X and Y rollers can be attached to the ball, and can understand the movements of the ball.
3: Optical encoding disks include light holes.
4: Infrared LEDs shine through the disks.
5: Sensors gathered light pulses to convert to X and Y velocities.
