what is roller ball mouse
mouse ball
break the mouse on the outside
A track ball mouse is a mouse that uses an internal ball to track movement, instead of a laser. These have been outdated by optical mice.
The width of a ball is its diameter, so the diameter of a ball that is 24 cm wide is 24 cm.
The diameter of a standard tennis ball is approximately 6.7 cm.
That's called a trackball. The device stays in place and you move the ball (usually) with your thumb, rather than moving a mouse which in turn moves the ball inside (or with the newer optical mouse, electronically senses the mouse motion).
Generally an optical mouse provides much better function than an older ball design mouse. The lack of an internal ball to move the mouse reduces the need for cleaning and build up do to the ball itself wearing down.
The diameter of a standard tennis ball is approximately 6.7 cm.
In the US, a billiards ball or pool ball is 2.25 inches in diameter. This is 1.125 for its radius. The only exception is the oversize cue ball, which is 2.375 inches in diameter.
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.
it is about d`ball diameter long