Glossary - G

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Gateway: When speaking of computer networking, a default gateway is a device that routes traffic from your local network subnet to devices on other subnets.

Gbps: Gbps or Gigabits is the speed at which data transfer is measured. Gbps is equal to 1 billion bits of data per second.

GHz: Hertz pertains to the number of times an electrical signal completes a full cycle in one second. 1 GHz means the signal has changed cycles one billion times in one second.

GIF: Gifs or Graphics Interchange Format are the most widely used graphic format on the web. GIF images display up to 256 colors.

Gigabyte: Also known as GB, is a unit of storage measurement consisting of one billion bytes (or approx one thousand megabytes).

GPF: This occurs when the Operating System cannot process a command generated by a running program and cannot continue without dropping the command from memory. GPFs can be displayed as the Blue Screen of Death (aka the BSOD) or possibly by a System Error message.

GPS: A GPS, or Global Positioning System, is a device which uses satellites that allows a user with a receiver to determine precise coordinates for their location on the earth's surface.

GUI: Pronounced as 'gooey' is an acronym for graphical user interface. GUI's are based on graphics (icons and pictures and menus) instead of text and uses a mouse and keyboard as an input device.