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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 …

  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 …

  3. The Mainframe Universe: Unraveling the Diversity of Mainframe Computers ...

    Dec 20, 2025 · Mainframe computers have been the backbone of large-scale computing for decades, providing mission-critical services to various industries, including finance, healthcare, …

  4. Mainframe computer explained

    What is a Mainframe computer? A mainframe computer is large but not as large as a supercomputer and has more processing power than some other classes of ...

  5. 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 …

  6. 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 …

  7. What Is a Mainframe? | Definition from TechTarget

    Apr 12, 2023 · What is a mainframe computer? A mainframe, also known as big iron, is a high-performance computer used for large-scale, compute-intensive purposes and tasks that …

  8. Mainframe | Definition & Facts | Britannica

    Nov 12, 2025 · 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 …

  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 …

  10. What Is a Mainframe Computer? Definition, examples

    Jun 25, 2024 · A mainframe computer, often referred to as “big iron”, is a powerful computing system used by large organizations for essential tasks such as mass data processing and …