Max Newiss and Lloyd Thompson
A tracker ball is computer cursor control device. The user can roll the ball to navigate around the screen.
The uses are:
- Controls the movement of a pointer on the screen.
- They are ergonomic which makes them more comfortable to use.
- For people with wrist or forearm problems who can’t use a mouse.
- On smaller desk space.
- Mainly moulded for right handed people.
- More expensive.
- Scroll wheel.