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<< TOC - Levels of interchange | Application program >>

Scope and field of application

Section I - General
1
Scope and field of application
This Standard specifies the volume and file structure of compact read only optical disks (CD-ROM) for the
interchange of information between users of information processing systems.
This Standard specifies
- the attributes of the volume and the descriptors recorded on it;
- the relationship among volumes of a volume set;
- the placement of files;
- the attributes of the files;
- record structures intended for use in the input or output data streams of an application program when such data
streams are required to be organized as sets of records;
- three nested levels of medium interchange;
- two nested levels of implementation;
- requirements for the processes which are provided within information processing systems, to enable information to
be interchanged between different systems, utilizing recorded CD-ROM as the medium of interchange; for this
purpose it specifies the functions to be provided within systems which are intended to originate or receive CD-
ROM which conform to this Standard.
2 Conformance
2.1
Conformance of a CD-ROM
A CD-ROM sconforms to this Standard when all information recorded on it conforms to the requirements of
Section II of this Standard. A statement of conformance shall identify the lowest level of interchange to which the
contents of the CD-ROM conform.
A prerequisite to such conformance is conformance of the CD-ROM to a standard for recording (see 4.15).
2.2
Conformance of an information processing system
An information processing system shall be in conformance with this Standard if it meets the requirements specified
in Sections II and III of this Standard either for an originating system, or for a receiving system, or for both types
of system. A statement of conformance shall identify which level of these requirements can be met by the system.
3 References
ECMA-6
: 7-Bit Coded Character Set
ECMA-35
: Code Extension Techniques
ECMA-43
: 8-Bit Code ­ Structure and Rules
ISO 1539
: Programming languages - FORTRAN.
ISO 2375
: Data processing - Procedure for registration of escape sequences International Register of Coded
Character Sets to Be Used With Escape Sequences
Standards for recording: This Standard assumes the existence of a standard for recording (see 4.15).
4 Definitions
For the purposes of this Standard, the following definitions apply.