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mainframe
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What is the ICL 2966 computer and how does it work?
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computer chip. computer. Hand holding computer chip. Central processing unit (CPU). history and society, science and technology, microchip, microprocessor motherboard computer Circuit Board
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mainframe, digital computer designed for high-speed data processing with heavy use of input/output units such as large-capacity disks and printers. Mainframes have been used for such applications as payroll computations, accounting, business transactions, information retrieval, airline seat reservations, and scientific and engineering computations. Mainframe systems, with remote “dumb” terminals, have been displaced in many applications by client-server architecture.

The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Erik Gregersen.