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4 votes

Was the purported 1968 standard for encoding ASCII on punched cards ever used?

This card code is not just proposed, it was actually adopted as a standard in ANSI X3.26-1970 Hollerith Punched Card Code (FIPS PUB 14), and remains in the most recent revision, ANSI X3.26-1980 ...
Eric Smith's user avatar
3 votes

Was the purported 1968 standard for encoding ASCII on punched cards ever used?

Additional notes about Multics: "The Multics standard card punch codes described in this section are DQ1 identical to the currently proposed ASCII punched card code. The ASCII standard code is ...
Polluks's user avatar
  • 489
2 votes

Was the purported 1968 standard for encoding ASCII on punched cards ever used?

I think the coding represents a means of mapping a combination of punches in the bottom 8 columns to 4 bits and combining that with the pattern of punches in the top 4, so as to recognize 256 distinct ...
supercat's user avatar
  • 36.6k
15 votes
Accepted

Was the purported 1968 standard for encoding ASCII on punched cards ever used?

Multics came close. Multics used ASCII for its usual text representation, and could punch and read it from cards. There were only six differences between the Multics card code and the ANSI standard. ...
John Doty's user avatar
  • 2,799

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