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  1. 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 …

  2. 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 …

  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? - Rocket Software

    Organizations using functional, regression, and performance testing are equipped to deliver mainframe applications that meet regulatory requirements on time, with fewer bugs, and …

  5. 4 steps to understanding your mainframe applications — before …

    Feb 19, 2025 · These four steps help teams understand their mainframe applications and data, increasing the chances of a successful modernization.

  6. what is mainframe, what is mainframe application, mainframe ...

    Mainframe Application Systems are a variety of user applications that are hosted on mainframe computers. Mainframe computers and their services are invaluable to governments and …

  7. What is Mainframe Application System? | HCLTech

    Dec 1, 2023 · Hence, various organizations host their applications on mainframes to ensure data security and seamless data processing. This explains what is a mainframe system and its utility.

  8. What Is a Mainframe? - pickl.ai

    Jun 20, 2025 · Discover what a mainframe is, its evolution, benefits, and modern applications. Learn why mainframe technology remains essential for enterprises.

  9. Who uses mainframes and why do they do it? - IBM

    Because of these design strengths, the mainframe is often used by IT organizations to host the most important, mission-critical applications. These applications typically include customer …

  10. Mainframes with AI: 3 Use Cases and 5 Tools to Know in 2025

    May 20, 2025 · How Is AI Transforming Mainframes? A mainframe is a high-performance computer capable of processing massive amounts of data quickly. It is specifically designed …