Simple Browser : Welcome guest : log in
Home |  Graph |  ]  KB:  Language:   

Formal Language: 




Sigma KEE - Trackball
KB Term: 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Trackball
A type of ComputerInputDevice with a ball that can be rolled to control a cursor in the X and Y directions. A Trackball may or may not have an attached button for clicking.
Relationships      
Parents ComputerInputDevice A peripheral device that generates input for the computer such as a keyboard, scanner, or mouse.


Show simplified definition with tree view
Show full definition (without tree view)
Show full definition (with tree view)


Sigma web home      Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0 is open source software produced by Articulate Software and its partners