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An alphabetical listing of General terms and items. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

GB   Unit of measurement for pieces of information : approximately 1 billion bytes, 1 million kilobytes, or 1000 megabytes. Hard disk sizes are usually measured in gigabytes. Often shortened to "GB", "Gig" or just G. GHz   Gigahertz - billions of cycles per second. Often used as a measurement of a PC processor chip's speed and power, with bigger numbers meaning a bit more speed, and a higher price. 1000 MHz = 1.0 GigaHertz. See also MHz. GIF   (Graphics Interchange Format) A popular type of compressed graphics (picture) file, widely used on the WWW. Best for artwork with 256 colours or less. See also jpg, compression. Gigabyte   Unit of measurement for pieces of information : approximately 1 billion bytes, 1 million kilobytes, or 1000 megabytes. Hard disk sizes are usually measured in gigabytes. Often shortened to "GB", "Gig" or just G. GIGO   (Garbage In Garbage Out; pr. "guy-go") Programmer's slang. A reminder of a fundamental principle of computing, that unexpected results are often caused by feeding a computer bad data, rather than a fault in the computer or program. GPF   (General Protection Fault) An common error message in early versions of Windows, seen when a program tried to do something Windows thought it shouldn't, often locking up the PC. Graphics   A catch-all term for anything involving drawing images on a PC screen. A game with great graphics is one that is visually spectacular. Graphics Card   An expansion card which the PC uses to control the monitor's graphics. Modern PCs have a dedicated slot for graphics cards called AGP, but you can also still get PCI format cards. GSM   GSM (Global System for Mobile Communications: originally from Groupe Spécial Mobile) is the most popular standard for mobile telephony systems in the world. The GSM Association, its promoting industry trade organization of mobile phone carriers and manufacturers, estimates that 80% of the global mobile market uses the standard. GSM is used by over 1.5 billion people across more than 212 countries and territories. Its ubiquity enables international roaming arrangements between mobile network operators, providing subscribers the use of their phones in many parts of the world. GSM differs from its predecessor technologies in that both signaling and speech channels are digital, and thus GSM is considered a second generation (2G) mobile phone system. This also facilitates the wide-spread implementation of data communication applications into the system. GUI   (Graphical User Interface; pr. "gooey") means that a program's controls are represented pictorially, with symbols, buttons and so forth, and mostly controlled by pointing and clicking with a mouse rather than having to type in text commands. Almost all modern software is GUI controlled. (see also Windows, WYSIWYG). Back to top