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  2. List of computer size categories - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_size...

    This list of computer size categories attempts to list commonly used categories of computer by the physical size of the device and its chassis or case, in descending order of size. One generation's "supercomputer" is the next generation's "mainframe", and a "PDA" does not have the same set of functions as a "laptop", but the list still has ...

  3. Mainframe computer - Wikipedia

    en.wikipedia.org/wiki/Mainframe_computer

    A mainframe computer, informally called a mainframe or big iron, [1] is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing.

  4. Classes of computers - Wikipedia

    en.wikipedia.org/wiki/Classes_of_computers

    The term supercomputer itself is rather fluid, and the speed of today's supercomputers tends to become typical of tomorrow's ordinary computer. Supercomputer processing speeds are measured in floating-point operations per second, or FLOPS. An example of a floating-point operation is the calculation of mathematical equations in real numbers.

  5. Ken Olsen Remembered: Lessons of a Great American Entrepreneur

    www.aol.com/news/2011-02-08-ken-olsen-remembered...

    The PC Did to DEC What DEC Did to Mainframes DEC's invention of the minicomputer seriously disrupted International Business Machines' dominant position in the mainframe computer business. Because ...

  6. Superminicomputer - Wikipedia

    en.wikipedia.org/wiki/Superminicomputer

    Companies that sold mainframe computers began to offer machines in the same price and performance range as superminicomputers. [10] By the mid-1980s microprocessors with the hardware architecture of superminicomputers were used to produce scientific and engineering workstations. [11] The minicomputer industry then declined through the early ...

  7. Minisupercomputer - Wikipedia

    en.wikipedia.org/wiki/Minisupercomputer

    The appearance of even lower-priced scientific workstations (e.g., Dana Computer/Ardent Computer/Stellar Computer (the merger of these companies)) based on microprocessors with high performance floating point units (FPUs) during the 1990s (such as the MIPS R8000, IBM POWER2), and Weitek eroded the demand for this class of computer.

  8. CDC Cyber - Wikipedia

    en.wikipedia.org/wiki/CDC_Cyber

    The Cyber 18 is a 16-bit minicomputer which was a successor to the CDC 1700 minicomputer. It was mostly used in real-time environments. One noteworthy application is as the basis of the 2550—a communications processor used by CDC 6000 series and Cyber 70/Cyber 170 mainframes. The 2550 was a product of CDC's Communications Systems Division, in ...

  9. Supercomputer - Wikipedia

    en.wikipedia.org/wiki/Supercomputer

    This is an accepted version of this page This is the latest accepted revision, reviewed on 21 December 2024. Type of extremely powerful computer For other uses, see Supercomputer (disambiguation). The Blue Gene/P supercomputer "Intrepid" at Argonne National Laboratory (pictured 2007) runs 164,000 processor cores using normal data center air conditioning, grouped in 40 racks/cabinets connected ...

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