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mainframe    音标拼音: [m'enfr,em]
n. 主机

主机

mainframe
大型电脑; 主机( 柜 ); 大型机

mainframe
主机 大型电脑

mainframe
n 1: a large digital computer serving 100-400 users and
occupying a special air-conditioned room [synonym: {mainframe},
{mainframe computer}]
2: (computer science) the part of a computer (a microprocessor
chip) that does most of the data processing; "the CPU and the
memory form the central part of a computer to which the
peripherals are attached" [synonym: {central processing unit},
{CPU}, {C.P.U.}, {central processor}, {processor},
{mainframe}]

mainframe \main"frame`\ n. (Computers)
1. A large digital computer serving 100-400 users and
occupying a special air-conditioned room. At any given
point in development of computer technology, the mainframe
will be faster, have large main memeory, and be more
capable than a {minicomputer}, which will in turn be
faster and more capable than a {personal computer}. The
typical personal computer in 1999 is faster than a
mainframe was in 1970.

Syn: mainframe computer.
[WordNet 1.5 PJC]

2. The board holding the CPU and the memory forming the
central part of a computer to which the peripherals are
attached.
[WordNet 1.5]

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: n. 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
timesharing 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 having
been swamped by the recent huge advances in IC technology and low-cost
personal computing. The wave of failures, takeovers, and mergers among
traditional mainframe makers in the early 1990s bore this out. The biggest
mainframer of all, IBM, was compelled to re-invent itself as a huge
systems-consulting house. (See dinosaurs mating and
killer micro).However, in yet another instance of the
cycle of reincarnation, the port of Linux to the IBM S/390 architecture
in 1999 — assisted by IBM — produced a resurgence of interest in mainframe
computing as a way of providing huge quantities of easily maintainable,
reliable virtual Linux servers, saving IBM's mainframe division from almost
certain extinction.


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  • Mainframe computer - Wikipedia
    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, workstations, and personal computers
  • What is a mainframe? - IBM
    Mainframe systems are computers able to process billions of calculations and transactions in real time, securely and reliably
  • What is a Mainframe - Mainframe Explained - AWS
    Mainframe computing enables large-scale data processing through a single, powerful central system This system supports multiple users and terminals in real time
  • What is a Mainframe Computer? - GeeksforGeeks
    In simple terms, mainframe computers are super-fast and reliable machines that help process large amounts of data quickly and efficiently They are designed to ensure that critical systems, like banking and finance, remain available 24 7 without any interruptions
  • Mainframestechhelp | Complete Mainframe Tutorials
    MainframesTechHelp's objective is to deliver point-to-point online content on various mainframe technologies (including technical and non-technical) for the readers to learn and gain expertise on mainframe technical skills without any conditions and restrictions
  • The IBM mainframe: How it runs and why it survives
    Mainframe computers are often seen as ancient machines—practically dinosaurs But mainframes, which are purpose-built to process enormous amounts of data, are still extremely relevant today
  • What is Mainframe Computer? -Definition, Features Working
    A mainframe is a powerful computer used for large-scale data processing It is fast, reliable, and can support thousands of users at the same time
  • The Timeless Power of Mainframes: Why They’re Still . . . - Medium
    From supporting critical business systems to enabling cloud integration and open-source solutions, the mainframe is far from a relic of the past Instead, it is an evolving powerhouse, poised to
  • How the mainframe is modernizing, according to today’s IT pros
    A mainframe, a large-capacity computer with very high processing power, got its name from “the large cabinet or ‘main frame’ that held the central processing unit (CPU) of early computer systems,” according to IBM
  • What Is a Mainframe? - pickl. ai
    A modern mainframe in computer environments operates as a high-performance, multi-user platform It handles billions of transactions daily, supports multiple operating systems, and ensures data integrity and security across complex enterprise networks





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