Std

BS 4636-4:1971

Specification for punched cards-Representation of 8-bit codes on 12-row punched cards

standard by BSI Group , 11/26/1971

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Full Description

The one-to-one correspondence between card hole patterns and the bit patterns by which the characters of an 8-bit code are represented; in appendices, illustrations of the UK 7-bit data code represented on punched cards as a subset of an 8-bit code and illustrations of the card hole patterns corresponding to the remainder of an unspecified 8-bit code.

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Product Details

Published:
11/26/1971
ISBN(s):
058006557X, 058006557
Product Code(s):
10091027
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. BS 4636-3:1986


    Punched cards-Specification for representation of 7-bit and 8-bit coded character sets on 12-row punched cards

    • Most Recent

  2. BS 4636-3:1971


    Specification for punched cards-Representation of 7-bit codes and of certain numerical sets on 12-row punched cards

    • Historical Version

  3. BS 4636-4:1971

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    Specification for punched cards-Representation of 8-bit codes on 12-row punched cards

    • Historical Version