Mainframe Interview Questions & Answers

Below we have listed all the Mainframe Interview Questions and answers. Feel free to comment on any Mainframe Interview Questions or answer by the comment feature available on the page.

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A mainframe (also known as "big iron") is a high-performance computer used for large-scale computing purposes that require greater availability and security than a smaller-scale machine can offer. The term originally referred to the large cabinets called "main frames" that housed the central processing unit and main memory of early computers. Later, the term was used to distinguish high-end commercial machines from less powerful units. Most large-scale computer system architectures were established in the 1960s, but continue to evolve.