Elliott Brothers (computer Company) - Computers

Computers

The following Elliott computer models were produced:

  • Elliott 152 (1950)
  • Elliott Nicholas (1952)
  • Elliott/NRDC 401 (1953)
  • Elliott 153 (DF computer) (1954)
  • Elliott/GCHQ OEDIPUS (311) (1954)
  • Elliott 402 (1955)
  • Elliott 403 (WREDAC) (1955)
  • Elliott 405 (1956)
  • Elliott 802 (1958--1961) 6 were sold
  • Elliott 803 (1959) about 250 sold, mainly 803B
    • 803A had 4 or 8K of 39 bit words of memory and all internal data was held in a single 102 bit long serial path.
    • 803B had 4 or 8K of 39 bit words of memory. The single data path was split into several shorter (48 bit long) serial paths to reduce instruction execution time. A hardware floating point option was available.
  • Elliott ARCH 1000 (1962)
  • Elliott 503 (1963) software compatible with 803
  • Elliott 900 series (1963)
  • Elliott 920 (used by Marconi Elliott Avionic Systems, at Elstree, in the Radar Research Lab, in late 70's)
  • Elliott 502 (1964)
  • Elliott 4100 series (1966) A joint development with NCR Corporation. Elliott selling to the scientific market and NCR selling to the commercial market.

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