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  1. Mainframe computer - Wikipedia

    Mainframes have high availability, one of the primary reasons for their longevity, since they are typically used in applications where downtime would be costly or catastrophic. The term …

  2. What Is a Mainframe? | IBM

    At their core, mainframes are high-performance computers with large amounts of memory and data processors that process billions of simple calculations and transactions in real-time.

  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. 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. Here’s a breakdown of …

  6. 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 …

  7. What is a mainframe? Definition, examples, and technologies

    This article explores what mainframes are, their key characteristics, some mainframe system examples, and how they compare to other architectures like supercomputers.

  8. Mainframe Computers and IBM z/OS Terminology - Mainframes

    Mainframe computers, colloquially referred to as "big iron" are computers used primarily by corporate and governmental organizations for critical applications, bulk data processing such …

  9. 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. Governments, banks, and big …

  10. What Is a Mainframe? - Built In

    Aug 8, 2024 · Mainframes are designed to deliver exceptional performance, capable of processing large volumes of data and supporting intensive computing workloads. They feature powerful …