Re:The TTY demystified (2008)
by birchb on Sunday February 05, 2017 @06:51AM
(#13571964)
ASCII was invented in 1963, so the author's statement that Telex was ASCII-based is probably wrong. Is the rest of the article also as inaccurate?
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According to Wikipedia, it seems that ASCII was first used by AT&T's TWX teleprinter network, that previously used another encoding, ITA2.
The keyword is "evolved into" as a long chain of changes, from Morse code, Murray code, a plethora of other variants of encodings and transmission methods, eventually standardised into ASCII on top of a modem in 1963.