BS 4636-4:1971 - Specification for punched cards. Representation of 8-bit codes on 12-row punched cards

BS 4636-4:1971

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

Status : Revised, Withdrawn   Published : November 1971 Replaced By : BS 4636-3:1986, ISO 6586-1980

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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.




Standard NumberBS 4636-4:1971
TitleSpecification for punched cards. Representation of 8-bit codes on 12-row punched cards
StatusRevised, Withdrawn
Publication Date26 November 1971
Confirm Date15 August 1980
Withdrawn Date31 July 1986
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS 4636-3:1986, ISO 6586-1980
DescriptorsPosition, Data representation, Punched cards, Coded character sets, 80-column punched cards, Coded representation, Patterns, Character sets, Numerical designations, Data media, Data codes, Holes, Alphanumeric character sets, Cards
ICS35.040.10
35.220.10
CommitteeICT/1
ISBN0 580 06557 X
PublisherBSI
FormatA5
DeliveryNo
File Size0 KB
Price£182.00


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*To ask about withdrawn titles contact the
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