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  1. 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. What Is a Mainframe? Features, Importance, and Examples

    Jan 19, 2023 · A mainframe is a powerful computer that connects to multiple end clients so that users can access apps concurrently. A mainframe is defined as a large, powerful computer …

  6. What is Mainframe? Definition, How It Works & Examples - Techopedia

    Jun 19, 2025 · A mainframe computer, also called “ big iron,” is a high-performance business computing system known for its large size, extensive storage and memory capacity, …

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

    Jul 15, 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.

  8. 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, …

  9. What Is a Mainframe? | Definition from TechTarget

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

  10. What Is a Mainframe? - Built In

    Aug 8, 2024 · A mainframe is a high-performance computer that processes massive amounts of data and computations in real time. Known for their high-throughput and reliability, these …