List of transistorized computers

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This is a list of digital computers using discrete transistors as their primary logic elements, also known as transistorized computers. Transistors were a feature of logic design for computers from about 1960, when reliable transistors became economically available, until hybrid and monolithic integrated circuits displaced them in the 1970s. The list is organized by operational date or delivery year to customers. Computers announced, but never completed, are not included. Some very early "transistor" computers may still have included vacuum tubes in the power supply or for auxiliary functions.

1950s[edit]

1953

1954

  • Bell Labs TRADIC for U.S. Air Force
  • IBM 608 transistor calculator, demonstrated October 1954, announced 1955, first shipped Dec 1957
  • Electrotechnical Laboratory ETL Mark III (Japan) experimental, began development 1954,[1] completed 1956, first transistorized stored-program computer[2][3][4]

1955

  • Harwell CADET demonstrated February 1955, one off scientific computer

1956

1957

1958

1959

1960s[edit]

1960

1961

1962

1963

1964

1965

1966

1967

1968

  • PDP-10 (first model only - later versions used ICs)
  • SDS 945
  • BESM 6 (first model only - later versions used ICs)
  • Moscow Power Engineering Institute M-54

See also[edit]

References[edit]

  1. ^ Martin Fransman (1993), The Market and Beyond: Cooperation and Competition in Information Technology, page 19, Cambridge University Press
  2. ^ Early Computers, Information Processing Society of Japan
  3. ^ 【Electrotechnical Laboratory】 ETL Mark III Transistor-Based Computer, Information Processing Society of Japan
  4. ^ Early Computers: Brief History, Information Processing Society of Japan
  5. ^ Grabbe, E. M. (February 7, 1957), "SOME RECENT DEVELOPMENTS IN DIGITAL CONTROL SYSTEMS" (PDF), Instrumentation and Control in the Process Industries Conference, Chicago, p. 5  Missing or empty |title= (help)
  6. ^ Saul Rosen (Jun 1991). PHILCO: Some Recollections of the PHILCO TRANSAC S-2000 (Computer Science Technical Reports / Purdue e-Pubs). Purdue University.  Here: page 2
  7. ^ [1] RW-300
  8. ^ [2] AN/UYK-1
  9. ^ [3] RW-400 at Bitsavers
  10. ^ Culler, Glen; Huff, Robert (1962), "Solution of Non-Linear Integral Equations Using On-Line Computer Control", Proceedings of the Spring Joint Computer Conference, San Francisco, pp. 129–138  Missing or empty |title= (help)
  11. ^ [4] AN/UYK-3