What is ISO 2047:1975 Information processing – Graphical representations for the control characters of the 7- bit coded character set?
ISO 2047:1975 is a standard that specifies graphical representations for the control characters of the 7-bit coded character set used in information processing. The 7-bit coded character set is the predecessor to the more widely used 8-bit ASCII character set.
The standard provides a set of 32 graphical representations for the control characters, which are characters that are not printable but are used to control the display or interpretation of other characters. The control characters include characters such as the carriage return, line feed, and backspace, which are commonly used in computer systems.
The graphical representations specified by the standard are intended to be used for documentation, display, and printing of control characters. The representations include a combination of symbols, letters, and numbers. Also, they are designed to be easily recognizable and distinguishable from one another.
What are the requirements of ISO 2047?
The requirements of ISO 2047 specify the following:
Graphical representations: The standard provides graphical representations for the 32 control characters of the 7-bit coded character set. These graphical representations include symbols, letters, and numbers. And are designed to be easily recognizable and distinguishable from one another.
Character codes: ISO 2047 specifies the character codes used to represent the graphical representations of the control characters. The character codes are specified in both octal and hexadecimal notation.
Use in documentation: The graphical representations specified by the standard are intended to be used in documentation, display, and printing of control characters. The standard provides guidance on how to use these graphical representations in different types of documentation.
Application to different systems: The standard specifies that the graphical representations should be applicable to different computer systems and applications. So, This helps to ensure consistency and interoperability across different systems.
What are the benefits of ISO 2047:1975?
The benefits of ISO 2047 include:
Consistency: By providing a standardised set of graphical representations for the control characters of the 7-bit coded character set, the standard helps to ensure consistency across different computer systems and applications. This helps to reduce errors and makes it easier for users to understand and work with control characters.
Interoperability: The standardised graphical representations specified by the standard also help to ensure interoperability between different computer systems and applications. This is because the same graphical representations can be used across different systems. Making it easier for data to be exchanged and processed.
Improved documentation: The graphical representations specified by the standard are intended to be used in documentation, display, and printing of control characters. By providing clear and recognizable graphical representations for these characters, the standard helps to improve the quality and usability of documentation related to computer systems.
Historical significance: ISO 2047 is the first ISO standard to specify graphical representations for control characters. As such, it has historical significance as an early standard in the development of international standards for information processing.
Overall, ISO 2047 provides a standardised set of graphical representations for the control characters of the 7-bit coded character set, which helps to ensure consistency and interoperability across different computer systems and applications, as well as improve the quality and usability of documentation.
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