Trackball Input Devices

Trackball Input Devices

A trackball is an input device that is used to control the movement of a cursor on a computer screen. It is similar to a mouse, but instead of moving the device across a surface, the user rotates a ball that is mounted on the top of the device. The ball is typically surrounded by a ring that is used to detect the movement of the ball. This movement is then translated into movement of the cursor on the screen. Trackballs were first developed in the 1950s and were used primarily in military and industrial applications. They became more widely used in the 1980s and 1990s as computer technology became more advanced. Today, trackballs are still used in some specialized applications, but they have largely been replaced by other input devices such as mice and touchpads. One advantage of trackballs is that they require less desk space than a mouse, as the device itself does not need to be moved. This can be particularly useful in situations where desk space is limited. Additionally, some users find trackballs to be more comfortable to use than mice, as they require less movement of the wrist and arm. However, trackballs can also be more difficult to use than mice, particularly for users who are not familiar with the device. Additionally, the ball can become dirty or worn over time, which can affect its accuracy and make it more difficult to use.

input device, cursor, rotation, desk space, accuracy

— Jonathan Anderson

CITATION : "Jonathan Anderson. 'Trackball Input Devices.' Design+Encyclopedia. https://design-encyclopedia.com/?E=404241 (Accessed on July 16, 2025)"