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The machine was fairly representative of first-generation valve-driven computer designs.It used mercury acoustic delay lines as its primary data storage, with a typical capacity of 768 20-bit words, supplemented by a parallel disk-type device with a total 4096-word capacity and an access time of 10 milliseconds.
Replica of the Atanasoff–Berry computer at Iowa State University The 1946 ENIAC computer used more than 17,000 vacuum tubes. A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry.
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The IBM 1620 (variable-length decimal), introduced in 1959, addressed the lower end of the market. The UNIVAC Solid State (a two-address computer, signed 10-digit decimal words) was announced by Sperry Rand in December 1958 as a response to the 650. None of these had an instruction set that was compatible with the 650.
The Z2 was one of the earliest examples of an electric operated digital computer built with electromechanical relays and was created by civil engineer Konrad Zuse in 1940 in Germany. It was an improvement on his earlier, mechanical Z1 ; although it used the same mechanical memory , it replaced the arithmetic and control logic with electrical ...
The Z4 was arguably the world's first commercial digital computer, and is the oldest surviving programmable computer. [1]: 1028 It was designed, and manufactured by early computer scientist Konrad Zuse's company Zuse Apparatebau, for an order placed by Henschel & Son, in 1942; though only partially assembled in Berlin, then completed in Göttingen in the Third Reich in April 1945, [2] but not ...
The Mark 1 Translating Device, which was developed for the US Air Force, was able to produce its first automated Russian-to-English translation in 1959 and was shown to the public in 1964. [ 13 ] In 1954, a group of scientists ran millions of simulated hands of blackjack on an IBM 701 looking to determine the best playing decision for every ...
The IBM 1401 is a variable-wordlength decimal computer that was announced by IBM on October 5, 1959. The first member of the highly successful IBM 1400 series, it was aimed at replacing unit record equipment for processing data stored on punched cards and at providing peripheral services for larger computers. [1]