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  1. 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.

  2. What is a mainframe? - IBM

    Mainframes are data servers that are designed to process up to 1 trillion web transactions daily with the highest levels of security and reliability. At their core, mainframes are high-performance computers …

  3. What is a Mainframe Computer? - GeeksforGeeks

    Jul 12, 2025 · 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 …

  4. What is a Mainframe - Mainframe Explained - AWS

    A mainframe is a large computer that runs critical business applications requiring a significant amount of processing power. Banks and other large organizations often require this computing power for data …

  5. What is Mainframe Computer? -Definition, Features & Working

    Dec 23, 2025 · 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. Governments, banks, and big …

  6. What is a Mainframe Computer? A Helpful Guide, 10 Examples

    Mar 30, 2025 · A mainframe computer, or mainframe, is also known as a central computer. It is a large, powerful, and expensive computer, mostly used by large companies for bulk data processing and …

  7. What is a mainframe? Definition, examples, and technologies

    A mainframe is a high-performance computer designed to manage large volumes of data and large-scale computing tasks. These systems are optimized to offer high availability, scalability, and …

  8. What Is a Mainframe Computer? A Practical, Modern Explanation (2026)

    5 days ago · That’s the mental model I use for mainframes: they are computers built around throughput—the rate at which data is processed—especially for transaction processing, where a …

  9. What Is a Mainframe? - pickl.ai

    Jun 20, 2025 · A mainframe today is a streamlined, high-capacity computer, typically the size of a large refrigerator, engineered for data centers. Unlike traditional servers, mainframes are built for …

  10. Mainframe | Definition & Facts | Britannica

    Mainframe, digital computer designed for high-speed data processing with heavy use of input/output units such as large-capacity disks and printers. Mainframes have been used for such applications as …