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List of transistorized computers : ウィキペディア英語版 | List of transistorized computers 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== 1953 *University of Manchester Transistor computer 1953 (prototype) 1955 (full scale) experimental 1954 *Bell Labs TRADIC for U.S. Air Force *IBM 608 transistor calculator, demonstrated October 1954, announced 1955, first shipped Dec 1957 1955 *Harwell CADET demonstrated February 1955, one off scientific computer *Mailüfterl experimental 1956 *MIT TX-0 * Electrotechnical Laboratory ETL Mark III (Japan) experimental *Metrovick 950 1957 *Burroughs SM-65 Atlas ICBM Guidance Computer MOD1, AN/GSQ-33 (no relation to Manchester ATLAS) *Ramo-Wooldridge (TRW) RW-30 airborne computer *NCR 304 *Philco Transac S-1000 scientific computer- Navy/NSA SOLO, one-off for NSA *Philco Transac S-2000 electronic data processing computer〔 Here: page 2〕 *Univac TRANSTEC, for US Navy *Univac ATHENA, US Air Force missile guidance (ground control) 1958 *Electrologica X1 *TX-2 *UNIVAC Solid State ("mostly" solid state) *Ferranti Argus *RCA 501 intended as a commercial system but used in military applications 1959 *Olivetti Elea 9003 *MOBIDIC *IBM 7090 *IBM 1401 *IBM 1620 Model I and successors IBM 1620 Model II * NEAC 2201 (NEC) *EMIDEC 1100 *TRW RW-300〔() RW-300〕 *PDP-1
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