<jargon> (Or "heavy metal [Cambridge]) Large, expensive,
ultra-fast computers. Used generally of number crunchingsupercomputers such as Crays, but can include more
conventional big commercial IBMish mainframes. The term
implies approval, in contrast to "dinosaur".
[Jargon File]
(2000-11-09)
Mainframe computer
COMPUTERS USED PRIMARILY BY LARGE ORGANIZATIONS FOR CRITICAL APPLICATIONS
Mainframe Computer; Mainframe computers; Main-frame; Main frame; Main Frame Computer; Main frame computer; Big-iron; Mainframe computing; Large computers; MainFrame; Mainframes; Death of the mainframe; Mainframe; Big iron (computing); Mainframe server; Maxicomputer; Maxi-computer; Maxi computer
A mainframe computer, informally called a mainframe or bigiron, 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. A mainframe computer is large but not as large as a supercomputer and has more processing power than some other classes of computers, such as minicomputers, servers, workstations, and personal computers.
COMPUTERS USED PRIMARILY BY LARGE ORGANIZATIONS FOR CRITICAL APPLICATIONS
Mainframe Computer; Mainframe computers; Main-frame; Main frame; Main Frame Computer; Main frame computer; Big-iron; Mainframe computing; Large computers; MainFrame; Mainframes; Death of the mainframe; Mainframe; Big iron (computing); Mainframe server; Maxicomputer; Maxi-computer; Maxi computer
¦ noun
1. a large high-speed computer, especially one supporting numerous workstations or peripherals.
2. the central processing unit and primary memory of a computer.
1. But IBM changed from a supplier that depended on shipping "big iron" to one selling software and services.
2. I wanted to maintain the tradition of the space." The result is still unmistakably a castle: Many guest rooms have arched, carved wood doors with big iron knobs in the middle; off–white bedspreads are accented by regal red–and–pink pillows and dust ruffles; beds are bedecked with golden headboards and canopies.