Meaning : Graphic data display manager
Category : Computer
Sub Category : Operating system
Type : Initialism
What does GDDM mean or stand for ?
Graphics Data Display Manager was an old graphic operating system that was used in IBM mainframe computers in the early 1980s.Its primary function was to aid the output visual display of the mainframe computer.Nowadays we have onboard hardware and inbuilt software that does this job but back in the day it was a more cumbersome process.