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  2. 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.

  3. IBM mainframe - Wikipedia

    en.wikipedia.org/wiki/IBM_mainframe

    IBM mainframe. IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments of the basic design of the System/360.

  4. Classes of computers - Wikipedia

    en.wikipedia.org/wiki/Classes_of_computers

    The term mainframe computer was created to distinguish the traditional, large, institutional computer intended to service multiple users from the smaller, single-user machines. These computers are capable of handling and processing very large amounts of data quickly.

  5. IBM 700/7000 series - Wikipedia

    en.wikipedia.org/wiki/IBM_700/7000_series

    IBM 700/7000 series. The IBM 700/7000 series is a series of large-scale (mainframe) computer systems that were made by IBM through the 1950s and early 1960s. The series includes several different, incompatible processor architectures. The 700s use vacuum-tube logic and were made obsolete by the introduction of the transistorized 7000s.

  6. IBM Z - Wikipedia

    en.wikipedia.org/wiki/IBM_Z

    It is distinguished from the LinuxONE model by the blue accents on the doors. A pair of IBM mainframes. On the left is the IBM z13 (while the naming was changed, the z13 line had a zSystems label on doors). On the right is the IBM LinuxONE Rockhopper. IBM Z[1] is a family name used by IBM for all of its z/Architecture mainframe computers.

  7. IBM System/360 - Wikipedia

    en.wikipedia.org/wiki/IBM_System/360

    S/370-XA. ESA/370. ESA/390. z/Architecture. v. t. e. The IBM System/360 (S/360) is a family of mainframe computer systems announced by IBM on April 7, 1964, and delivered between 1965 and 1978. [1] System/360 was the first family of computers designed to cover both commercial and scientific applications and a complete range of applications from ...

  8. z/OS - Wikipedia

    en.wikipedia.org/wiki/Z/OS

    An IBM System Z10 mainframe computer on which z/OS can run. z/OS is a 64-bit operating system for IBM z/Architecture mainframes, introduced by IBM in October 2000. [2] It derives from and is the successor to OS/390, which in turn was preceded by a string of MVS versions. [NB 1] Like OS/390, z/OS combines a number of formerly separate, related ...

  9. PDP-10 - Wikipedia

    en.wikipedia.org/wiki/PDP-10

    PDP-10 systems on the ARPANET highlighted in yellow. Digital Equipment Corporation (DEC)'s PDP-10, later marketed as the DECsystem-10, is a mainframe computer family [1] manufactured beginning in 1966 [2] and discontinued in 1983. [3][4][5] 1970s models and beyond were marketed under the DECsystem-10 name, especially as the TOPS-10 operating ...