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Trackball

Example: "Some people prefer trackballs over mice since they feel trackballs offers more accuracy."

A trackball is an input device that has a ball which is held in a socket and can be rolled in any direction. Most trackballs perform the same functions as a mouse and are used primarily to control the cursor on a computer screen. However, unlike a mouse, a trackball device remains stationary when the user move the ball. This makes trackballs ideal for areas with limited space.

Updated: September 22, 2009

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