Mainframes are high-performance computers with lots of memory and processors that can handle a huge number of quick calculations and real-time transactions. Commercial databases, transaction servers, and applications that need high resilience, security, and agility depend on the mainframe.
If you are a Mainframe programmer, it is necessary to know how to create and verify the code necessary for Mainframe programs and applications to run correctly. Mainframe programmers also convert the code written by Mainframe engineers and developers into instructions that a computer can understand.
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