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Interactive computer graphics display requirements have generally been met is one of two ways: by highly specialized systems designed for a particular application, or, more frequently, by devices with a limited set of display functions common to a wide range of applications. A third alternative, presented here, is to use a high-performance, general-purpose display architecture to provide both common and application-specific graphics functions. A sampling data display to solid modeling, shows that significant improvements in interactivity can be obtained by microprogramming such a machine.
Nick England (Wed,) studied this question.