The ball inside older mice - was made of a solid steel ball coated in a thick layer of rubber.
The laser or ball on the bottom.
Well the mouse sends the movements of it to the computer. A mouse with a mouse-ball has rollers inside of it that move with the ball and from there can operate similar to a keyboard. An optical or 'laser' mouse is much more advanced.
To our research we find that the first computer mouse was made out of Wood.
If the ball is on the bottom, it's a "roller ball." If it's on the top and meant to be touched, it's a "trackball."
A Ball Bearing
it is a ball or sometime a laser thingy
The balls are made of hard rubber.
They both do the same job. And on an older mouse it's easy to see the similarities. An older computer mouse would have a ball underneath. Then as you moved the mouse around the ball would roll and the computer would count the rotations. A track ball was basically a mouse turned upside down. Instead of moving the mouse to rotate the ball, you'd move the ball directly with your fingers instead.
wood
The ball inside older mice - was either solid rubber - or a steel ball with a rubber coating.
It was made in 1964 by Doug Engelbart.
Ink ball is a strategy style computer game. The idea is to use a stylus, or mouse, to draw a line to direct a ball into a corresponding colored hole.