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Monday, March 27, 2017

Trackball



Features
Uses
Advantages
Disadvantages
-It is similar to mouse but the ball is on the top
-It has buttons for selection and opening menus
-Ball is used to control pointer
-opening, closing, deleting, maximizing, minimizing and moving files
-controlling pointer
-editing images
-people with wrist pain problem can still use it
-More accurate than mice
-Does not need flat surface
-No limits on ball move
-More difficult to learn it’s use
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