B
backed-up window
A window whose contents are backed up, so that the window never becomes invalid, and therefore never needs to be redrawn except at application request.
background colour
The colour with which to fill the parts of the view rectangle in which text (and paragraph fill colour, if one has been set) cannot appear. Examples of such areas are below the last line of the document and in the label and line cursor margins. May also be used to fill the left text margin, if one has been set.
backup
Process of safeguarding data on the device by copying it to PC. Symbian OS has a backup and restore framework which applications should use to ensure that system backups can happen effectively.
BAFL
Basic Application Framework Library, a collection of various utilities.
band
Printing : Horizontal portions of a page whose height depends on the size of the memory buffer of the printer device in use.
bank
An area of physical address space reserved for a particular type of memory (e.g. RAM, ROM, I/O) and which may be empty or only partially filled
baseband
The band of frequencies of a signal before it is modulated for transmission at another frequency. A baseband processor refers to dedicated processor in a mobile phone to handle communication functions.
base year
Application Engines : In an anniversary entry, this allows the application to display a number of years between the base year and the current anniversary.
based-on link
Text Content : A pointer to the format layer whose attributes are inherited by another layer. To find out a character or paragraph's effective formatting, all based-on links must be examined, beginning at the format layer upon which all other layers are based.
baseline
The baseline of a character is the notional line that splits the descent of a character from its ascent.
baseline offset
The perpendicular distance from the baseline of a font to another parallel line, such as the underline, strikethrough, superscript or subscript position.
BDB
Bank Descriptor Block, a list of entries describing banks.
bdf file
Binary distribution format - used in font definition files.
bearer
A telephone network used to carry a call.
bearer name
The type of data service, e.g. Asynchronous, or Synchronous.
BER
Bit error rate.
binary mode
When a file is open in binary mode, the data bytes in the file are read and written without any intervention by the file system.
BIO
Bearer Independent Objects.
BITGDI
The screen and bitmap-specific graphics drawing component.
bitmap
Provides the pixel patterns used by pictures, icons and masks, sprites and brush styles for filling areas of the display.
bitmap converter tool
Converts bitmaps between MS Windows to Symbian bitmap format and vice versa.
bitmap mask
A bitmap whose pixels are used to hinder or allow the individual pixels of another bitmap to be written to a graphics device.
bitmap primitive
A graphics operation to draw a bitmap.
bldmake tool
SBSv1 build tool. It processes the component description file (bld.inf) in the current directory, and generates a batch file (abld.bat) and several build batch makefiles (.make.abld) which are used to build the component.
blit
Block transfer copy of pixel data from memory to a graphics device.
Bluetooth
A short-range radio communications technology, standardised by the Bluetooth SIG (Special Interest Group) in the form of the Bluetooth Specification.
Bmconv
Tool that converts bitmaps between Windows and Symbian OS bitmap formats.
bmp file
Extension for a Windows bitmap file.
bootloader
Optional code which runs immediately on reset, before the bootstrap.This is also referred to as the core loader, or just the loader.
bootstrap
A short program, often written in assembler, which gains control when the machine is first powered on. The bootstrap sets up an environment that allows the Kernel to continue to boot Symbian OS (e.g. setting up memory, I/O devices and creating virtual memory space).
brush
The brush is used, in basic graphics functions, for filling areas drawn with the shape primitives, and also for text background fills.
brush attribute
Brush attributes, in basic graphics functions, are: brush colour, brush origin, brush style.
brush colour
The colour which the brush uses for fills.
brush origin
The point at which the top left corner of the pattern reference tile is positioned.
brush style
The style with which the brush fills fillables. This may be null, solid colour, a built-in pattern or a bitmap pattern.
Brutus
Development board for the StrongArm SA-1100.
BSS
A section in an executable's disk image that denotes how much uninitialised data the executable needs to run.
buffer
An area of memory designated to contain a portion of data awaiting processing.
buffer position
The position of a byte within a segmented or flat buffer: bytes are numbered from zero, and the address of the byte indexed by a given buffer position is calculated each time the buffer is accessed.
built-in type
Data types which are part of the C++ language; e.g. unsigned int, unsigned char etc.
button co-ordinator
An object which co-ordinates the behaviour of a group of option buttons. It keeps track of the current chosen option button.
backed-up window
A window whose contents are backed up, so that the window never becomes invalid, and therefore never needs to be redrawn except at application request.
background colour
The colour with which to fill the parts of the view rectangle in which text (and paragraph fill colour, if one has been set) cannot appear. Examples of such areas are below the last line of the document and in the label and line cursor margins. May also be used to fill the left text margin, if one has been set.
backup
Process of safeguarding data on the device by copying it to PC. Symbian OS has a backup and restore framework which applications should use to ensure that system backups can happen effectively.
BAFL
Basic Application Framework Library, a collection of various utilities.
band
Printing : Horizontal portions of a page whose height depends on the size of the memory buffer of the printer device in use.
bank
An area of physical address space reserved for a particular type of memory (e.g. RAM, ROM, I/O) and which may be empty or only partially filled
baseband
The band of frequencies of a signal before it is modulated for transmission at another frequency. A baseband processor refers to dedicated processor in a mobile phone to handle communication functions.
base year
Application Engines : In an anniversary entry, this allows the application to display a number of years between the base year and the current anniversary.
based-on link
Text Content : A pointer to the format layer whose attributes are inherited by another layer. To find out a character or paragraph's effective formatting, all based-on links must be examined, beginning at the format layer upon which all other layers are based.
baseline
The baseline of a character is the notional line that splits the descent of a character from its ascent.
baseline offset
The perpendicular distance from the baseline of a font to another parallel line, such as the underline, strikethrough, superscript or subscript position.
BDB
Bank Descriptor Block, a list of entries describing banks.
bdf file
Binary distribution format - used in font definition files.
bearer
A telephone network used to carry a call.
bearer name
The type of data service, e.g. Asynchronous, or Synchronous.
BER
Bit error rate.
binary mode
When a file is open in binary mode, the data bytes in the file are read and written without any intervention by the file system.
BIO
Bearer Independent Objects.
BITGDI
The screen and bitmap-specific graphics drawing component.
bitmap
Provides the pixel patterns used by pictures, icons and masks, sprites and brush styles for filling areas of the display.
bitmap converter tool
Converts bitmaps between MS Windows to Symbian bitmap format and vice versa.
bitmap mask
A bitmap whose pixels are used to hinder or allow the individual pixels of another bitmap to be written to a graphics device.
bitmap primitive
A graphics operation to draw a bitmap.
bldmake tool
SBSv1 build tool. It processes the component description file (bld.inf) in the current directory, and generates a batch file (abld.bat) and several build batch makefiles (.make.abld) which are used to build the component.
blit
Block transfer copy of pixel data from memory to a graphics device.
Bluetooth
A short-range radio communications technology, standardised by the Bluetooth SIG (Special Interest Group) in the form of the Bluetooth Specification.
Bmconv
Tool that converts bitmaps between Windows and Symbian OS bitmap formats.
bmp file
Extension for a Windows bitmap file.
bootloader
Optional code which runs immediately on reset, before the bootstrap.This is also referred to as the core loader, or just the loader.
bootstrap
A short program, often written in assembler, which gains control when the machine is first powered on. The bootstrap sets up an environment that allows the Kernel to continue to boot Symbian OS (e.g. setting up memory, I/O devices and creating virtual memory space).
brush
The brush is used, in basic graphics functions, for filling areas drawn with the shape primitives, and also for text background fills.
brush attribute
Brush attributes, in basic graphics functions, are: brush colour, brush origin, brush style.
brush colour
The colour which the brush uses for fills.
brush origin
The point at which the top left corner of the pattern reference tile is positioned.
brush style
The style with which the brush fills fillables. This may be null, solid colour, a built-in pattern or a bitmap pattern.
Brutus
Development board for the StrongArm SA-1100.
BSS
A section in an executable's disk image that denotes how much uninitialised data the executable needs to run.
buffer
An area of memory designated to contain a portion of data awaiting processing.
buffer position
The position of a byte within a segmented or flat buffer: bytes are numbered from zero, and the address of the byte indexed by a given buffer position is calculated each time the buffer is accessed.
built-in type
Data types which are part of the C++ language; e.g. unsigned int, unsigned char etc.
button co-ordinator
An object which co-ordinates the behaviour of a group of option buttons. It keeps track of the current chosen option button.
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