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(Or "Automatic Sequence Controlled Calculator") A first generation computer developed in 1944 by Howard Aiken of Harvard University. The Mark 1 is seen as the first full-sized digital computer. It weighed 5 tons, had 500 miles of wiring, was used only for numeric calculations, and took three seconds to carry out one multiplication.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)