Computer Glossary G
Gigabit Ethernet An extension of the 10 and 100Mbps
(megabits per second) ethernet standards that describes
1,000Mbps transmission speeds. Originally required fibre optics,
the specification now supports these speeds over copper cable.
GPF general protection fault. Caused by a program trying to
access an area of memory being used either by another program
or the operating system. If it were allowed to write to this area it
would overwrite another program’s data or instructions, so
Windows stops it and requests that the errant program be
closed down.
GPRS general packet radio service. A service that provides
packet switched data radio technology for GSM networks. Being
always-on, GPRS connections offer mobile users network
availability comparable to that of a corporate network.
Graffiti The handwriting recognition system used by Palm
OS-based handhelds. Using a special alphabet, all characters
are reduced to single strokes. Pocket PC offers an input
method similar to Graffiti.
Graphics Chip The central chip used by the graphics card for
graphic processing – such as the nVidia GeForce3, which may
be used on many brands of chip.
GSM global support for mobiles. Currently GSM systems operate
at 800MHz, 900MHz, 1,800MHz or 1,900MHz.
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