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computer graphics
Locator Devices:
to indicate a position and/or orientation
to select a displayed entity
Tablet, Mouse, Trackball, Joystick, Touch Panel, Light Pen
Keyboard devices:
to input a character string
Alphanumeric keyboard (coded - get single ASC...See more
II character, unencoded - get state of all keys - more flexible)
Valuator Devices:
to input a single value in the space of real numbers
Rotary dials (Bounded or Unbounded), Linear sliders
Choice Devices:
to select from a set of possible actions or choices
Function keys
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Introduction- Unit I & Unit II.ppt
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