The Trackball

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• The Mouse
• Types

With a trackball the user rotates the ball which remains mounted in a stationary position. A trackball requires less arm movement and is therefore more appropriate for some users with disabilities. It also reduces the risk of repetitive strain injury. In operation and accuracy it is similar to a mouse and like a mouse there are many designs available.

The Mouse and other types of Pointing Device

Below are photographs of various different pointing devices. Click each photograph for more details on that device.

•         Mouse
• Trackball
• Joystick
• Touchpad