About 526,000 results
Open links in new tab
  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

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

  3. Mainframe Tutorials | Tutorialspoint

    Mainframe Tutorials - Tutorials for IBM mainfarme and associated technologies including DB2, CICS, COBOL, JCL, IMS DB, VSAM

  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 critical …

  6. Mainframestechhelp | Complete Mainframe Tutorials

    MainframesTechHelp's objective is to deliver point-to-point online content on various mainframe technologies (including technical and non-technical) for the readers to learn and gain expertise on …

  7. What Are Mainframes & Why Do Enterprises Still Use Them in 2025?

    What is a Mainframe? A mainframe is a high-performance computer used primarily by large organizations to process vast amounts of data quickly, securely, and reliably.

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

    Jan 19, 2023 · What Is a Mainframe? Features, Importance, and Examples A mainframe is a powerful computer that connects to multiple end clients so that users can access apps concurrently.

  9. IBMMainframer Online Mainframe Tutorials

    What is Mainframe Computer?? Mainframes are high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time.

  10. 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 …