Manage updates with the Download AppHow Alan Turing ushered in modern computing (photos)
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The SWAC (Standards Western Automatic Computer) was an early electronic digital computer built in 1950 by the U.S. National Bureau of Standards. It had 2,300 vacuum tubes and could perform seven basic operations: add, subtract, and multiply (single precision and double precision versions); comparison, data extraction, input, and output.
December 7, 2011 2:17 PM PST
Photo by: NIST
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