mainframe


main·frame

noun \ˈmān-ˌfrām\

: a large and very fast computer that can do many jobs at once

Full Definition of MAINFRAME

:  a computer with its cabinet and internal circuits; also :  a large fast computer that can handle multiple tasks concurrently

First Known Use of MAINFRAME

circa 1964

Other Computer-Related Terms

adware, flash, kludge, phishing, recursive, router

mainframe

noun    (Concise Encyclopedia)

Digital computer designed for high-speed data processing with heavy use of input/output units such as large-capacity disks and printers. They 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.

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