Also found in: Acronyms.
GDDM(Graphical Data Display Manager) Software that generates graphics images in the IBM mainframe environment. It contains routines to generate graphics on terminals, printers and plotters as well as accepting input from scanners. Programmers use it for creating graphics, but users can employ its Interactive Chart Utility (ICU) to create business graphics without programming.
GDDM/graPHIGS is a programming environment that combines graphics capability with a user interface similar to the Presentation Manager in OS/2.
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