Application program
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4.1 application
program
A program that processes the contents of a file, and may also process selected attribute data relating to the file or to
the volume(s) on which the file is recorded.
NOTE 1
An application program is a specific class of user, as defined in this Standard.
4.2 byte
A string of eight binary digits operated upon as a unit.
4.3
Data Field of a sector
A field containing the data of a sector.
4.4 data
preparer
A person or other entity which controls the preparation of the data to be recorded on a volume group.
NOTE 2
A data preparer is a specific class of user as defined in this Standard.
4.5 descriptor
A structure containing descriptive information about a volume or a file.
4.6 Extent
A set of logical blocks, the logical block numbers of which form a continuous ascending sequence.
4.7 file
A named collection of information.
4.8 File
Section
That part of a file that is recorded in any one extent.
4.9 implementation
A set of processes which enable an information processing system to behave as an originating system, or as a
receiving system, or as both types of system.
4.10 Logical
Block
A group of 2
n+9
bytes treated as a logical unit, where n equals 0 or a positive integer.
4.11 originating
system
An information processing system which can create a set of files on a volume set for the purpose of data
interchange with another system.
4.12 receiving
system
An information processing system which can read a set of files from a volume set which has been created by
another system for the purpose of data interchange.
4.13 record
A sequence of bytes treated as a unit of information.
4.14 sector
The smallest addressable part of the recorded area on a CD-ROM that can be accessed independently of other
addressable parts of the recorded area.
4.15
standard for recording
A standard that specifies the recording method and the addressing method for the information recorded on a CD-
ROM.
The specifications of the standard for recording that are relevant for this Standard are
