发布网友 发布时间:2022-12-27 09:15
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热心网友 时间:2023-10-19 14:16
The 305 was one of the last vacuum tube puters that IBM built.
DC-coupled circuitry became the norm after the first generation of vacuum tube puters .
The "'RCA BIZMAC "'was a vacuum tube puter manufactured by RCA from 1956 to 1962.
In 1954, Martin Davis programmed Pre *** urger's algorithm for a JOHNNIAC vacuum tube puter at the Princeton Institute for Advanced Study.
Although RCA was noted for their pioneering work in transistors, RCA decided to build a vacuum tube puter instead of a transistorized puter.
TRADIC could perform a milpon logical operations every second, close to but not as fast the vacuum tube puters of the day, using its 1 MHz clock.
As stories circulate about young entrepreneurs hitting the jackpot on the Inter, the traditional road to wealth _ hard work and perseverance _ seems as outdated as a vacuum tube puter .
:On early vacuum tube puters , the mean time beeen failure of the few thousand tubes ( valves ) was a practical pmit on plexity ( as was power consumption ).
The prize pieces are the Hollerith Manual Card Punch, based on a Herman Hollerith invention for taking the 1890 U . S . Census, and the Royal Precision Vacuum Tube Computer .
It was named after NORC, IBM's first-generation vacuum tube puter built in the 1950s " ( also see List of vacuum tube puters and ) ".
It's difficult to see vacuum tube puter in a sentence. 用 vacuum tube puter 造句挺难的
It was named after NORC, IBM's first-generation vacuum tube puter built in the 1950s " ( also see List of vacuum tube puters and ) ".
He also taught at Wayne State University and Northwestern University, and worked early on with UNIVAC I at the Courant Institute of New York University ( NYU ) and later with Oak Ridge ( both early vacuum tube puters ).
In 1959, the University of Chicago received a gift of a UNIVAC I ( 1 kilobyte ) vacuum tube puter , and, in 1962, the university received a $ 2.5 milpon IBM 7090 main frame puter.
It was the largest vacuum tube puter of its time in 1956, occupying 20, 000 square feet of floor space with up to 30, 000 tubes, 70, 000 diodes, and 35, 000 magic cores.
The obsolete Martin AN / FSG-1 Antiaircraft Defense System, a 1957-vintage vacuum tube puter , was removed after mand of the defense area was transferred to the mand post at Highlands Air Force Station near New York City.
The improvements included magic ( non-mercury ) core memory of 2000 to 10000 words, UNISERVO II tape drives which could use either the old UNIVAC I metal tapes or the new PET film tapes, and some circuits that were transistorized ( although it was still a vacuum tube puter ).
When the ICBM threat had sufficiently developed, DoD's June 19, 1959, "'Continental Air Defense Program "'reced the number of Super Combat Centers to 7, then all were cancelled on March 18, 1960 ( the Canadian nuclear bunker started at CFS North Bay was instead pleted in 1963 with vacuum tube puters .)