G
GCE
Graphics Composition Engine. A driver that combines surfaces together
on the screen.
GDI
Graphics Device Interface.
See also: Graphics Device Interface
GDR
Symbian OS font file format.
See also: Fontcomp
generated header
A header file generated by the resource compiler, conventionally with extension .rsg, containing definitions of symbolic constants which refer to resources in the resource file.
See also: resource file, resource
ghost image
Repetition of a block of memory, caused when two physical addresses map to the same memory block, typically when some address lines are not connected.
glass door
A visual representation of an embedded object which displays the embedded object (for example, a sketch or graph).
See also: door, iconic door
global chunk
A global chunk is a memory area which is available to all threads and processes.
global text
Editable text with a single, global, set of paragraph and character format attributes, so that a text object is displayed with entirely uniform formatting.
See also: editable text, text object, format attribute
global text object
A text object containing global text.
See also: global text, text object
GPRS
General Packet Radio Service: a radio technology for GSM networks that adds packet-switching protocols, shorter set-up time for ISP connections, and offer the possibility to charge by amount of data sent rather than connect time. GPRS promises to support flexible data transmission rates typically up to 20 or 30 Kbps (with a theoretical maximum of 171.2 Kbps), as well as continuous connection to the network. A 2.5G enhancement to GSM, GPRS is the most significant step towards 3G, needing similar business model, and service and network architectures. GPRS started to appear in some networks during 2000.
graphics context
Contains context for graphics operations to a graphics device. A graphics device may have one or more graphics contexts. Abbreviation: GC.
See also: graphics device, drawing mode, pen, brush
graphics device
A device that can produce a graphics context for drawing. A device has a typeface store, and twips-to-pixels and pixels-to-twips mappings.
See also: graphics context
Graphics Device Interface
The Symbian OS component related to graphics manipulation, graphics context, bitmaps.
See also: GDI
graphics operation
Operations that affect output to a graphics device. Include: shape operations (line primitives and fillable primitives), text drawing primitives, bitmap primitives.
See also: line primitive, fillable primitive, graphics device, bitmap primitive, text drawing primitive
GRID
A component that provides functionality for row and column layout.
grouped property
A property that is a member of a group of related properties within a vCard.
See also: property, vCard
group label
A field in a contact group used to identify the group to users, for example, 'family', or 'colleagues'.
See also: contact group, field
GSM
GSM (Global System for Mobile communication) is a digital mobile telephone system that uses a variation of time division multiple access.
The most widely used digital mobile phone system and the de facto wireless telephone standard in Europe. Originally defined as a pan-European open standard for a digital cellular telephone network to support voice, data, text messaging and cross-border roaming. GSM is now one of the world's main 2G digital wireless standards. GSM is present in more than 160 countries and according to the GSM Association, accounts for approximately 70 percent of the total digital cellular wireless market. GSM is a time division multiplex (TDM) system. Implemented on 800, 900, 1800 and 1900 MHz frequency bands.
GUI
Graphical User Interface.
gutter margin
The gap between the labels margin and the text area. This term, also known as the line cursor margin, is used by classes that have no knowledge of cursors.
See also: cursor, label margin, line cursor margin
