ISO 3275:1974 PDF

Name: ISO 3275:1974 — Information processing — Implementation of the 7- bit coded character set and its 7- bit and 8- bit extensions on 3,81 mm magnetic cassette for data interchange
SKU: ISO 3275:1974
Price: 25 EUR
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Information processing — Implementation of the 7- bit coded character set and its 7- bit and 8- bit extensions on 3,81 mm magnetic cassette for data interchange

Название (английский):

ISO 3275:1974

Information processing — Implementation of the 7- bit coded character set and its 7- bit and 8- bit extensions on 3,81 mm magnetic cassette for data interchange

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 1
Дата публикации:: 1 ноября 1974 г.
Издание:: ISO IS 3275 edition 1 version 1
ICS:: 35.040

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Описание (английский):

Defines the implementation of the 7-bit coded character set and of its 7-bit and 8-bit extentions for the interchange of data on 3.81 mm magnetic tape cassette. References: ISO 646; 2022; 3407.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 3275:1974 is an international standard established by the International Organization for Standardization (ISO) that defines the implementation of the 7-bit coded character set, along with its 7-bit and 8-bit extensions, for data interchange on 3.81 mm magnetic tape cassettes. This standard plays a crucial role in information processing and data communication by specifying how digital data encoded in these character sets should be recorded and exchanged using magnetic tape technology.

This ISO standard ensures consistency and interoperability across computing systems and devices that utilize magnetic tape cassettes for data storage and transmission. By adhering to ISO 3275, manufacturers and developers can guarantee reliable data interchange and compatibility in environments where magnetic tape remains a data medium.

Key Topics

7-bit coded character set implementation The standard defines how 7-bit characters are encoded and recorded on magnetic tape, with bits positioned from 1 to 7 in an 8-bit byte, and the 8th bit set to zero.

7-bit and 8-bit extensions ISO 3275 addresses extensions beyond the basic 7-bit set, enabling richer character representation using all 8 bits of a byte for data interchange.

Recording format on 3.81 mm magnetic tape cassette Data is recorded serially by bit and by character along a magnetic tape track according to the predefined bit-positioning and byte structure.

Bit and byte structure Specific guidance is given on bit numbering within bytes and the serialization of data to ensure clarity and standardization in data recording.

Reference to related standards The standard is linked to ISO 646 (7-bit coded character set), ISO 2022 (code extension techniques), and ISO 3407 (specifications for 3.81 mm magnetic tape cassette), providing a comprehensive reference framework for implementation.

Applications

ISO 3275:1974 serves various practical applications in fields relying on magnetic tape technology for data storage and interchange:

Data interchange between computing systems Standardizing character encoding on magnetic tape enables seamless exchange of data files across diverse computer systems and software platforms.

Legacy system data archives Many older data processing environments still use magnetic tape; this standard ensures that stored data can be read and interpreted reliably.

Information processing and communications Organizations handling batch processing, mainframe data storage, or communications over magnetic media employ this standard to maintain compatibility.

Industrial and governmental data management Ensures consistent data handling practices for important records stored on magnetic tape across public and private sectors.

Related Standards

ISO 646: Information processing - 7-bit coded character set for information interchange Defines the base 7-bit character set implemented on the magnetic tapes in ISO 3275.

ISO 2022: Code extension techniques for use with the 7-bit coded character set Provides rules for extending the coded character sets, relevant to the 7-bit and 8-bit extensions in ISO 3275.

ISO 3407: Information processing - 3.81 mm magnetic tape cassette for information interchange Specifies the physical and recording properties of the magnetic tape cassettes used in ISO 3275 applications.

By following ISO 3275:1974 in conjunction with these related standards, organizations can achieve effective, standardized data management and interchange using 3.81 mm magnetic tape cassettes, ensuring interoperability and preserving data integrity across systems and devices.

ISO 3275:1974 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

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