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User at an early DEC computer-aided design system, c. 1970
Credit: Digital Equipment Corporation
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Since the computer was first invented, people have sought to use it for drawing pictures. Early examples range from simple printer character drawings to interactive screen graphics created by a light pen or graphics tablet. More powerful computers allowed the addition of realistic color and texture to basic line drawings, eventually leading up to interactive complex virtual environments. New applications continually emerge, like filmmaking and advanced medical diagnostic procedures. Shown here are a variety of computer-based drawing aids, visual input/output devices and graphics software systems.
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