Questions tagged [teletype]

questions concerning actual teletype devices, including the famous model 33 teletype.

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2 answers
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Who introduced the standard 8-bit punched tape, and when?

Who introduced the standard that later became widespread for the 8-bit punch tape, and when? I think the 5-bit tape was an earlier standard.
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9 votes
6 answers
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What did order processing on a teletype look like?

The earliest business data processing systems were based on batch processing of punchcards. Prepare cards off-line, feed a batch of them through the computer. (Why does one so often hear of payroll, ...
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9 votes
1 answer
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When did tabs start defaulting to 8 columns?

The ASCII horizontal tab character defaults to 8 columns, which is unfortunate because it's too wide for indenting block structured languages (at least to most people's taste, acknowledging Linus ...
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1 vote
3 answers
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What character repertoires were available on teletype typewheels?

Over in my question about input devices with character sets suited to Algol 60, I mentioned using an ASR-33 / KSR-33 teletype with the subscript-10 character ₁₀. I have subsequently been unable to ...
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