.GOV - When these letters appear as the last part of a Web address, it indicates that the host computer is run by a government body, probably in the United States.

Gateway - Similar to bridges, gateways connect incompatible networks or applications so data can be transferred. Excalibur systems commonly use gateways to open up a path to Internet Access. Generally any device that provides access to another system. For example, an ISP might be called a gateway to the Internet; also a hardware device that connects a local network to the Internet.

Gopher - A menu driven, information finding and retrieval tool providing access to databases, text files, and other resources on the Internet.

Gigabyte - One billion bytes.Abbreviated GB, Gbyte or G-byte.

GPF - A General Protection or GP fault occurs when an application overwrites memory belonging to another application. Since the memory has become corrupted, Windows steps in and terminates the application. - It is not always easy to tell which Windows application caused the GP fault. Sometimes the error message window will provide an application name and a memory address, but this information is not always reliable. The best thing to do when you get a GP fault is to save your work in your other applications, and exit and restart Windows as soon as possible. -

Greenwich Mean Time (GMT) - The mean solar time of the meridian of Greenwich, England, used as the basis for calculating standard time throughout the world.

GUI (Graphical User Interface) - Pronounced 'gooey', a GUI uses graphical symbols in combination with keystrokes and a mouse or pointing device to carry out commands.