BS 4636-4:1971
Withdrawn
Date published:
Specification for punched cards, Representation of 8-bit codes on 12-row punched cards
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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Related Information
35.040.10 Coding of character sets
35.220.10 Paper cards and tapes
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Punched cards, Specification for representation of 7-bit and 8-bit coded character sets on 12-row punched cards
BS 4636-4:1971
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HardCopy
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