A mainframe operating system is a software infrastructure that allows a mainframe computer to run programs and process complex tasks. It differs from a simple operating system in that it runs on a mainframe computer, which acts as a server for a network. Mainframes were the only computers in the 1950s and were designed to […]
Mainframe interview questions test a candidate’s knowledge of operating, programming, maintaining, and testing a mainframe computer system. Questions may include COBOL, JCL, CICS, VSAM, and DB2. Problem-solving questions assess a candidate’s ability to handle complex issues. Mainframe interview questions give the potential employer an idea of a candidate’s knowledge of operating, programming, maintaining, and testing […]