Evolution of computer mice from trackball to optical, translating hand movements into on-screen interactions with precision.

The mouse is an input device ... in computer programs and sends out messages telling the other parts of the computer what to do. The memory is where the computer stores programs and information.

The first computer mouse was invented in the early 1960s by ... and the mouse was a key part of that vision. However, the device didn't become commercially viable until the release of Apple's ...