Programming the user interface: principles and examples
Programming the user interface: principles and examples
Computer graphics: principles and practice (2nd ed.)
Computer graphics: principles and practice (2nd ed.)
Interactive speech technology: human factors issues in the application of speech input/output to computers
Designing Interactive Speech Systems: From First Ideas to User Testing
Designing Interactive Speech Systems: From First Ideas to User Testing
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Input devices connected to a computer system allow the user to enter data or interact with running programs, and are used for activities ranging from editing computer programs to playing videogames (q.v.). Input devices can be separated into five classes: keyboards, locators, picks, valuators, and buttons. The classification is determined by the distinct functions performed. In many cases, these divisions are blurred because a device of one class can simulate the functions of another. This simulation allows a workstation (q.v.) to have full functionality without having to use a large number of different input devices.