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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. 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 …

  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 …

  5. Mainframe Computer: Examples, Types, Uses, & Features

    Apr 17, 2025 · What is Mainframe Computer? Definition & Meaning: Mainframe computer likes as a big centralized machine that contains the large memory, huge storage space, multiple high …

  6. 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 …

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

    Apr 8, 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 …