Difference between revisions of "1948"
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| − | [ | + | * The [[IBM 604 Electronic Calculating Punch]] with Type 521 Card Reader/Punch, 1948. The 604 performed addition, subtraction, multiplication, and division hundreds of times faster than any of IBM's earlier electromechanical machines, and was the first IBM product to use modular [[vacuum tube]] based pluggable units, later used in IBM's NORC and [[IBM 701]] computers. |
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Revision as of 00:54, 17 July 2019
- The IBM 604 Electronic Calculating Punch with Type 521 Card Reader/Punch, 1948. The 604 performed addition, subtraction, multiplication, and division hundreds of times faster than any of IBM's earlier electromechanical machines, and was the first IBM product to use modular vacuum tube based pluggable units, later used in IBM's NORC and IBM 701 computers.
