mainframes - définition. Qu'est-ce que mainframes
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Qu'est-ce (qui) est mainframes - définition

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
  • Operator's console for an [[IBM 701]]
  • An [[IBM System z9]] mainframe
  • Inside an [[IBM System z9]] mainframe
  • A single-frame IBM z15 mainframe. Larger capacity models can have up to four total frames. This model has blue accents, as compared with the LinuxONE III model with orange highlights.
  • A pair of IBM mainframes. On the left is the [[IBM z Systems]] z13. On the right is the [[IBM LinuxONE]] Rockhopper.

mainframe         
(mainframes)
A mainframe or mainframe computer is a large powerful computer which can be used by many people at the same time and which can do very large or complicated tasks.
N-COUNT
mainframe         
<computer> A term originally referring to the cabinet containing the central processor unit or "main frame" of a room-filling Stone Age batch machine. After the emergence of smaller "minicomputer" designs in the early 1970s, the traditional big iron machines were described as "mainframe computers" and eventually just as mainframes. The term carries the connotation of a machine designed for batch rather than interactive use, though possibly with an interactive time-sharing operating system retrofitted onto it; it is especially used of machines built by IBM, Unisys and the other great dinosaurs surviving from computing's {Stone Age}. It has been common wisdom among hackers since the late 1980s that the mainframe architectural tradition is essentially dead (outside of the tiny market for number crunching supercomputers (see Cray)), having been swamped by the recent huge advances in integrated circuit technology and low-cost personal computing. As of 1993, corporate America is just beginning to figure this out - the wave of failures, takeovers, and mergers among traditional mainframe makers have certainly provided sufficient omens (see dinosaurs mating). Supporters claim that mainframes still house 90% of the data major businesses rely on for mission-critical applications, attributing this to their superior performance, reliability, scalability, and security compared to microprocessors. [Jargon File] (1996-07-22)
mainframe         
¦ 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.

Wikipédia

Mainframe computer

A mainframe computer, informally called a mainframe or big iron, 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. Most large-scale computer-system architectures were established in the 1960s, but they continue to evolve. Mainframe computers are often used as servers.

The term mainframe was derived from the large cabinet, called a main frame, that housed the central processing unit and main memory of early computers. Later, the term mainframe was used to distinguish high-end commercial computers from less powerful machines.

Exemples du corpus de texte pour mainframes
1. A new generation of mainframes will be unveiled next week.
2. Mainframes instead have staged a comeback as a more manageable way to consolidate smaller computers.
3. Customers put purchases of mainframe software on hold recently as they waited for International Business Machines to upgrade its mainframes.
4. After cheap Intel–based servers appeared in the 1'80s, companies were less willing to install giant mainframes, and the company recorded multibillion–dollar losses.
5. There are dozens of versions of Linux, available for all sorts of computers from PCs to mainframes and tiny mobile devices.