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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? | 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 require …

  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 processing and …

  8. What is a Mainframe Computer?

    Now a days, people around the world connect to the Mainframe Computer, remotely over internet, from their work-place or home using a normal PC running a software that pretends to be a terminal.

  9. What is Mainframe Computer | What is it Used For - Techdim

    Nov 28, 2022 · Acting as a central data repository hub, mainframe computers process billions of calculations at a time. continue reading below to find out more about what mainframe computers are …

  10. Mainframe computer - Simple English Wikipedia, the free ...

    The term originally referred to the large cabinets that housed the central processing unit and main memory of early computers. [2][3] Later the term was used to distinguish very big computers from …