• G Gigabyte
• g,d & r grinning, ducking and running
• GA Go Ahead
• GB GigaByte
• Gbps Gigabit per second
• GDI Graphical Device Interface
• GEM Graphics Environment Manager
• GHz GigaHerz
• GIF Graphics Interchange Format
• GIGO Garbage In Garbage Out
• GMR Giant Magneto-Resistive
• GNN Global Network Navigator
• GNU GNU is Not Unix
• GOSIP Government Open Systems Interconnection Profile
• GPF General Protection Fault
• GPR General Purpose Register
• GPR General-Purpose Registers
• GPS Global Positioning System
• GQL Graphical Query Language
• Grep Globally search for a Regular Expression and Print all lines containing it
• GSH Global School House
• GSM Global Standard for Mobile communications
• GUI Graphical User Interface