23.4 Teletypes
These are antiques and represent the oldest terminals. They are like remotely controlled typewriters but are large and noisy. Made by the Teletype Corp., the first models were made in the 1920's and predate the computer by over 30 years. Early models used electro-mechanical relays and rotating distributors instead of electronics. Their Baudot code was only 5-bits per character as compared to 7-bit ASCII. See the book "Small Computer Systems Handbook" by Sol Libes, Hayden Books, 1978: pp. 138-141 ("Teletypes").
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