Gamepad This is also called joypad or control pad, and is a type of game controller held in two hands, where the fingers (especially thumbs) are used to provide input.
Gigabyte 1024 consecutive megabytes of data. See bytes.
Global variable A variable that exists throughout the run of the program.
Graphic Designera person who combines text and pictures in advertisements, magazines, or books.
Graphical user interface (GUI) The window, icons, menus and pointer on a computer screen which allow the user to have visual interaction with the computer.