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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.
The Honeywell 6000 series computers were rebadged versions of General Electric's 600-series mainframes manufactured by Honeywell International, Inc. from 1970 to 1989. . Honeywell acquired the line when it purchased GE's computer division in 1970 and continued to develop them under a variety of names for m
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 ...
The H200 was commonly used as a spooling computer associated with a larger Honeywell 800 series machine. The H1800-II consisted of an H1800 mainframe equipped only with magnetic tape drives and an online adaptor (OLA) connection to a satellite H200 to simulate a card reader for reading low volumes of job control cards.
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.
IBM 7010 system: console (in front), disc drives and processing modules (left), tape storage, punch card reader and printer (right) The 700/7000 commercial architecture inspired the very successful IBM 1400 series of mid-sized business computers. In turn, IBM later introduced a mainframe version of the IBM 1410 called the IBM 7010. Data format
IBM System z9 is a line of IBM mainframe computers. The first models were available on September 16, 2005. The System z9 also marks the end of the previously used eServer zSeries naming convention. It was also the last mainframe computer that NASA ever used. [1]
The CDC 6600 was the flagship of the 6000 series of mainframe computer systems manufactured by Control Data Corporation. [ 8 ] [ 9 ] Generally considered to be the first successful supercomputer , it outperformed the industry's prior recordholder, the IBM 7030 Stretch , by a factor of three.