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Sigma KEE - Keyboard
Keyboard(keyboard)keyboard, typewriter_keyboard

appearance as argument number 1

(documentation Keyboard EnglishLanguage "A Keyboard has a set of keys for typing on to transmit data corresponding to those keys or to cause physical action such as striking or plucking a string, opening a valve, or marking of the selected keys on paper or some other surface.") ComputerInput.kif 113-116
(subclass Keyboard Device) ComputerInput.kif 112-112 Keyboard is a subclass of device

appearance as argument number 2

(subclass ComputerKeyboard Keyboard) ComputerInput.kif 370-370 Computer keyboard is a subclass of keyboard
(termFormat EnglishLanguage Keyboard "keyboard") domainEnglishFormat.kif 65075-65075

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Sigma version 3.0 is open source software produced by Articulate Software and its partners