<computer> A mainframe computer based on a design by John von Neuman built at the Institute for Advanced Study, USA. The Johnniac went live in 1953 and was decommissioned in 1966. Its memory consisted of 80 special "Selectron" vacuum tubes, each of which held 256 bits of data.
Last updated: 2003-06-07
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Nearby terms: John Gilmore « John Mauchly « John McCarthy « Johnniac » JOHNNIAC Open Shop System » John Ousterhout » John Tukey