Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

IBM, sonic delay lines, and the history of the 80×24 display

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What explains the popularity of terminals with 80×24 and 80×25 displays? A recent blog post " 80x25 " motivated me to investigate ...
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How "special register groups" invaded computer dictionaries for decades

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Half a century ago, the puzzling phrase "special register groups" started showing up in definitions of "CPU", and it is ...
19 comments:

A visit to the Large Scale Systems Museum

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I didn't expect to find two floors filled with vintage computers in a small town outside Pittsburgh. But that's the location of the ...
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