Harvard Mark I photograph

Harvard Mark I

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Date introduced 1944
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Date of Upd.
ID1415801
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About Harvard Mark I


The IBM Automatic Sequence Controlled Calculator, 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. One of the first programs to run on the Mark I was initiated on 29 March 1944 by John von Neumann.

Harvard Mark I Photos

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