mainframe
Definition
Noun: 1. A large, powerful computer system: A mainframe is a large, centralized computer, typically used by large organizations for critical applications, bulk data processing, and high-volume transaction processing. It can serve many users simultaneously. 2. The central processing unit and memory of a computer: In computer architecture, the mainframe refers to the primary hardware components (the CPU and main memory) that form the core processing unit of a computer system.
Examples of Usage
- Noun (Large Computer System):
- The bank's financial transactions are processed by a reliable mainframe.
- Before the rise of personal computers, most corporate data was stored on a mainframe.
- Noun (Central Processing Unit):
- The data is sent from the input device to the mainframe for calculation.
Advanced Usage
- "Mainframe computing": Refers to the paradigm of using large, centralized computers to handle core business operations, as opposed to distributed computing with many smaller servers.
- Despite new technologies, mainframe computing remains vital for many financial institutions.
Variants and Related Words
- Mainframe computer: The full term, often used interchangeably with "mainframe."
- They installed a new mainframe computer to handle the increased load.
Synonyms
- Central computer
- Host computer
- Enterprise server
Different Meanings
- Primary Meaning: The dominant meaning today refers to the large, room-sized computer systems used for enterprise-level computing (e.g., IBM Z series).
- Technical/Architectural Meaning: The older or more technical meaning refers specifically to the cabinet ("frame") housing the central processing unit (CPU) and memory, distinguishing it from peripheral components.
Noun
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(computer science) the part of a computer (a microprocessor chip) that does most of the data processing
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the CPU and the memory form the central part of a computer to which the peripherals are attached
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a large digital computer serving 100-400 users and occupying a special air-conditioned room
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