Mainframe Market Future Scope, Demands and Projected Industry Growths to 2024 - IBM, Unisys, Fujitsu
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. As for a mainframe, the most important feature is called RAS (Reliability, Availability, and Serviceability).
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