ibm inventor factsmagnetic drum facts

  • The IBM 650 Magnetic Drum Calculator Columbia University

    The IBM 650 Magnetic Drum Calculator Photo: U.S. Army Anniston Ordnance Depot, from BRL Report 1115, 1961 (see Links below) The IBM 650 Magnetic Drum

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  • IBM Archives: 1960s

    The last IBM 650 Magnetic Drum Calculator is manufactured. Nearly 2,000 IBM 650s are sold in the 1953-1962 period, ... The first Invention Award Dinner honors 34 ...

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  • IBM Archives: IBM 650

    IBM Archives: Exhibits: IBM 650: ... laboratory was making its own important contribution to information technology history ... the IBM 650 Magnetic Drum Data ...

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  • ibm inventor facts magnetic drum facts

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  • History of Computer Memory ThoughtCo

    History of Computer Memory Definitions, ... Drum memory, an early form of ... Frederick Viehe of Los Angeles applies for a patent for an invention that uses magnetic ...

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  • The history of computer storage (slideshow) Page 7

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    IBM System / 360 Model 91 mainframe computer, photograph taken by NASA sometime in the late. Find this Pin and more on IBM History by IBM. The IBM 360 was a ...

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    The history of computer data storage, in pictures. ... IBM 650 computer magnetic drum. The IBM Model 350 Disk File. 250 MB hard drisk drive from 1979. The IBM 3380.

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  • Memory & Storage Timeline of Computer History

    Timeline of Computer History. By Year; ... Atlas used magnetic drum ... The era of magnetic disk storage dawns with IBM´s shipment of a RAMAC 305 computer system ...

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  • The IBM 650 Magnetic Drum Calculator Columbia University

    The IBM 650 Magnetic Drum Data Processing Machine was ... "The IBM Magnetic Drum Calculator ... , Computer History Vignettes. IBM RAMAC Fact Sheet A later ...

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  • IBM Archives: Magnetic Drum Data Processing

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  • computer memory Britannica.com

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  • History of IBM Wikipedia

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