trackball


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trackball

a type of computer peripheral that is larger than a typical mouse having one large ball to use to move the cursor and two large buttons for click commands.
References in periodicals archive ?
Below the knobs and above the trackballs are three soft buttons: LOG, OFFSET and VIEWER.
The Logitech Wireless Trackball M570 is due to be available from September in the US and Europe for a MSRP of USD59.
The Logitech Wireless Trackball M570 also delivers precise cursor control wherever you want so hard tables, comfy sofas and lumpy beds are all no problem.
Contras: Algunas teclas de tamano reducido, trackball muy sensible
Input devices that can be accessed with typing aids include trackballs, touch screens, switches, specialized software such as mouth sticks, and alternative keyboards (Alliance for Technology Access, 2000).
If using a mouse or trackball that's separate from the keyboard, which most people do, keep it positioned as close to the keyboard as possible.
This color notebook has a 40 MHz 486 DX2 processor, 8MB of RAM, 200 MB hard drive and a trackball from Microsoft.
It will take you only several minutes to see how "pointing and clicking" with that trackball is easier than using the keyboard, but it will take you several months to discover that you can throw away all your paper-based office systems instead of merely duplicating them.
MicroTouch Systems has introduced The PC UnMouse, an alternative input device designed to replace a mouse or trackball.
Today Logitech (SIX: LOGN) (NASDAQ: LOGI) unveiled the Logitech[R] Wireless Trackball M570, delivering a different level of comfort and control.
From a rugged tablet case, to a laptop backpack designed to keep its contents safe, to a wireless trackball with lightning speed, dads and grads alike will enjoy these tech accessories for business travel, working in the office, or studying in the dorm.