X-Nico

2 unusual facts about IBM 1620 Model II


IBM 1620 Model II

The console typewriter was replaced with a modified Selectric typewriter, which could type at 15.5 cps — a 55% improvement over the Model I.

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This made the Model II very practical for applications that needed to manipulate data formatted in octal by other computers (e.g., the IBM 7090).



see also