Definitions for "Trackball"
This is basically a mouse turned upside down. Instead of moving the whole pointing device, you simply move the ball on top. It was first seen in arcade...
See pointing device.
An input device, similar to the mouse, that moves the mouse pointer on-screen.
Transconductance Transducer
Keywords:  sprinters, runners, get
what sprinters and runners often get
a very large item, especially from underneath, and it would take up the better part of the HotRod Joystick's cabinet
A sphere that surrounds 3D models, allowing you to rotate them.
Keywords:  hardwares