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G
Gateway
A gateway refers to hardware or software that bridges the gap between two otherwise incompatible applications or networks so that data can be transferred among different computers. Gateways are common with e-mail that gets sent back and forth between Internet sites and commercial online services (like America Online) that have their own internal e-mail systems.
Gbps
Gigabits per second, a measure of speed of transmission of data.
GIF
Acronym for Graphics Interchange Format, GIF is a graphics file format that uses a compression scheme originally developed by CompuServe. Because GIF files are compressed, the file can be quickly and easily transmitted over a network. That's why it is the most commonly used graphics format on the World Wide Web.
Gigabyte
1000 or 1024 Megabytes, or approximately a billion bytes, or two to the power of 30, or 1,073,741,824 bytes to be precise.
GUI
A GUI, short for graphical user interface, allows users to navigate and interact with information on their computer screen by using a mouse to point, click, and drag icons and other data around on the screen, instead of typing in words and phrases. The Windows and Macintosh operating systems are examples of GUIs. The World Wide Web is an example of a GUI designed to enhance navigation of the Internet, once done exclusively via terminal-based (typed command line) functions.
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