Ibm390
IBM 370ESA
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computer A computer, produced ca. 1955 and in use in the late 1950s, with rotating magnetic drum storage and punched card input. Its memory words could store 10-digit decimal numbers and each instruction had two addresses, one for the operand and one for address of the next instruction on the drum. SOAP was its (optimising) […]
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computer A family of computers made by IBM, including the IBM 701, IBM 702, IBM 704, IBM 705 and IBM 709. (2005-06-20)
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computer (“Defense Calculator”) The first of the IBM 700 series of computers. The IBM 701 was annouced internally on 1952-04-29 as “the most advanced, most flexible high-speed computer in the world”. Known as the Defense Calculator while in development at IBM Poughkeepsie Laboratory, it went public on 1953-04-07 as the “IBM 701 Electronic Data Processing […]
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computer A large, scientific computer made by IBM and used by the largest commercial, government and educational institutions. The IBM 704 had 36-bit memory words, 15-bit addresses and instructions with one address. A few index register instructions had the infamous 15-bit decrement field in addition to the 15-bit address. The 704, and IBM 709 which […]
- Ibm 7040
computer A scaled down version of the IBM 7090. (1997-02-23)