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  • Aliases: Standards Western Automatic Computer
  • Announcement / Release: July 1950
  • Discontinuation: around 1967
  • Birthplace: Los Angeles, California, United States of America

"Standards Western Automatic Computer"

The SWAC was an early electronic digital computer built in 1950 by the U.S. National Bureau of Standards. It was designed by Harry Huskey. The machine used 2,300 vacuum tubes. It had 256 words of memory, using Williams tubes, with each word being 37 bits. It had only seven basic operations: add, subtract, and multiply (single precision and double precision versions); comparison, data extraction, input and output. Several years later drum memory was added. When the SWAC was completed in July 1950, it was the fastest computer in the world.

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