GCSI - Generalized Coved Set Induction

GCWA - Generalized Closed Word Assumption

GD - Grand Debug

GDA - Generalized Deterministic Annealing

GDA - Global Data Area

GDB - Graphic Datapath Builder

GDC - Global Date Connection

GDDK - Graphics Device Driver Kit

GDDM - Graphical Data Display Manager

GDE - Generic Decryption Engine

GDG - Generation Data Group

GDI - Graphical Device Interface

GDLC - Generic Data Link Control

GDMO - Guidelines for the Definition of Management Objects

GDP - Graphic Draw Primitive

GDS - Global Directory Service

GDSS - Group Decision Support System

GDT - Geometric Dimensioning and Tolerancing

GDT - Graphics Development Toolkit

GDT - Global Descriptor Table

GDU - Global Dial - Up

GE - Global Exact

GECOS - General Electric Comprehensive Operating System

GEIS - General Electric Information Service

GEM - Generalized Estimation - Maximization