Wait. I am not sure I follow. How would you answer it?
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Replying to @mwichary
At least some of the angles: "EBCDIC lost," "Keypunches had already abandoned bit-pairing http://www.righto.com/2017/12/repairing-1960s-era-ibm-keypunch.html …," "Computer industry people didn't anticipate interactive computing"
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Replying to @enf
Ah, got it. I was thinking on a higher level. (BTW aren’t laptop numeric-keypad-on-alpha section inspired by key punches?) I have that article queued up, but haven’t read it yet!
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Replying to @mwichary
I think more likely independent reinvention, if only because the keypunch ones put 123 on the top instead of 789?
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Replying to @enf
It’s in the same position, although maybe that’s just an obvious one given touch typing. The order would have been flipped whether it was inspired or not, since it became a standard by then?
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Replying to @mwichary
Maybe… I don't even know what the first laptop-type keyboard was to do it. TRS-80 Model 100 and its siblings?
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Replying to @enf
Epson HX-20 was a touch earlier? I haven’t really investigated this since it doesn’t seem very important – but maybe I will. Just curious.
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Replying to @mwichary
It certainly came earlier. I had forgotten that it had an embedded number pad too
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Replying to @enf
Here’s a sampling of IBM 327x that’s all over the place. It’s starting to look like a similar battle to Ctrl vs. Caps Lock.pic.twitter.com/vlC1kt6CcX
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That’s IBM 5251/5252. I started wondering whether they had one keyboard in two orientations. It seems they did!
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