Free On-line Dictionary of Computing

problem state

IBM jargon for user mode, the opposite of "supervisor state". On IBM System 360, 370 and 390 mainframes privileged instructions may only be executed in "supervisor state". Application programs request the operating system to perform these operations by using the Supervisor Call (SVC) instruction.

Last updated: 1995年02月15日

Nearby terms:

problem state Problem Statement Language/Problem Statement Analyser

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