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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

    A mainframe acts as a server for storing and processing data at high speeds and can carry out millions of instructions simultaneously. In contrast, supercomputers are much faster, capable …

  3. 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 …

  4. What is a Mainframe - Mainframe Explained - AWS

    Mainframe computing enables large-scale data processing through a single, powerful central system. This system supports multiple users and terminals in real time.

  5. 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 …

  6. Mainframe Architecture

    The mainframe system architecture is a complex, highly scalable, and secure structure to handle large-scale processing of transactions, data, and critical applications.

  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, …