SPEEDAC

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SPEEDAC, the SPErry Electronic Digital Automatic Computer, was an early digital computer built by Sperry Corporation in 1953. [1]

It used 800 vacuum tubes and had magnetic drum storage of 4096 18-bit words. [1] [2]

References

  1. 1 2 Herbert Freeman, Cobblestones: The Story of My Life, p. 39
  2. ↑ "The SPEEDAC" (PDF). Digital Computer Newsletter. Vol. 7, no. 1. Office of Naval Research - Physical Science Division. January 1955. p. 8.
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