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  1. Mainframe computer - Wikipedia

    A mainframe computer, informally called a mainframe, maxicomputer, [1][2] or big iron, [3] is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such …

  2. What is a mainframe? - IBM

    Mainframe systems are computers able to process billions of calculations and transactions in real time, securely and reliably.

  3. Mainframestechhelp | Complete Mainframe Tutorials

    MainframesTechHelp - Best Online Mainframe Tutorials MainframesTechHelp started with a concept of delivering online content with the flexibility of learning from anywhere and anytime. The content …

  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 a Mainframe Computer? - GeeksforGeeks

    Jul 12, 2025 · Mainframe computers are a type of computer designed for high throughput, which means processing data as fast as possible. They are primarily used for transaction processing, which …

  6. Mainframe Tutorials - TutorialsPoint

    Learn Mainframe with 6 free tutorials. Mainframe tutorials covering all topics from beginner to advanced level at Tutorials Point.

  7. The IBM mainframe: How it runs and why it survives

    Jul 24, 2023 · Mainframe computers are often seen as ancient machines—practically dinosaurs. But mainframes, which are purpose-built to process enormous amounts of data, are still extremely …

  8. 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.

  9. Mainframe | Definition & Facts | Britannica

    May 15, 2026 · mainframe, digital computer designed for high-speed data processing with heavy use of input/output units such as large-capacity disks and printers. Mainframes have been used for such …

  10. Moving to a mainframe can be cheaper than VMware: Gartner

    May 4, 2026 · VMware users considering a new home might find it cheaper to move to an IBM mainframe than adopting Broadcom’s new licenses, according to Gartner Vice President Analyst …