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    Toby Jaffey 🏳️‍🌈 (tobyjaffey@mastodon.me.uk)'s status on Thursday, 09-Mar-2023 18:43:03 JSTToby Jaffey 🏳️‍🌈Toby Jaffey 🏳️‍🌈
    in reply to
    • Julia Evans
    • Advent of Computing

    @b0rk On the "4 bits is too small", Baudot's 5 bit code was the standard for the telegraph. 8 bits is the next smallest power of 2. https://en.wikipedia.org/wiki/Baudot_code
    @adventofcomputing Had a great episode on the history of it, https://www.youtube.com/watch?v=ixPDr5mX8dg

    In conversationThursday, 09-Mar-2023 18:43:03 JST from mastodon.me.ukpermalink

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    1. Domain not in remote thumbnail source whitelist: upload.wikimedia.org
      Baudot code
      The Baudot code [boˈdo] is an early character encoding for telegraphy invented by Émile Baudot in the 1870s. It was the predecessor to the International Telegraph Alphabet No. 2 (ITA2), the most common teleprinter code in use until the advent of ASCII. Each character in the alphabet is represented by a series of five bits, sent over a communication channel such as a telegraph wire or a radio signal by asynchronous serial communication. The symbol rate measurement is known as baud, and is derived from the same name. History Baudot code (ITA1) In the below table, Columns I, II, III, IV, and V show the code; the Let. and Fig. columns show the letters and numbers for the Continental and UK versions; and the sort keys present the table in the order: alphabetical, Gray and UK Baudot developed his first multiplexed telegraph in 1872 and patented it in 1874. In 1876, he changed...
    2. Episode 65 - Teletype, Teleprint, and Telegrams
      from Advent Of Computing
      In today's episode we take a long hard look at the telegraph, and try to see how character encoding developed. We are dealing with 100% pre-computing technol...
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