Harvard Museum of Scientific Instruments

Harvard Museum of Scientific Instruments

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Mark 1 - First Programmable Computer in the United States

The IBM Automatic Sequence Controlled Calculator (ASCC), called Mark I by Harvard University’s staff, was a general purpose electromechanical computer that was used in the war effort during the last part of World War II. This exhibit in the Harvard Science Center showcases the workings and history of the machine.

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