![]() They were typewriter-derived impact printers, and could only print a fixed set of glyphs, which were cast into a metal type element or elements this also encouraged a minimum set of glyphs. ![]() They fully processed one character at a time, returning to an idle state immediately afterward this meant that any control sequences had to be only one character long, and thus a large number of codes needed to be reserved for such controls. Early teleprinters were electromechanical, having no microprocessor and just enough electromechanical memory to function. JSTOR ( March 2016) ( Learn how and when to remove this template message)ĪSCII was designed in the 1960s for teleprinters and telegraphy, and some computing. ![]() Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This section needs additional citations for verification. ![]()
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