G

gigabyte

2 to the 30th power, or 1,073,741,824 (approximately 1 billion) bytes. See also kilobyte, megabyte, terabyte.

graphical user interface ( GUI )

any system that uses graphical objects such as windows , menus , icons, buttons , and check boxes to represent the functions of a software application and to enable the user to interact with the application. By contrast, a command-line interface requires users to interact with the software application by entering text. Many graphical user interfaces use visual metaphors for real-world objects such as file cabinets , folders, rulers, and scissors.

GUI

See graphical user interface (GUI).