supervisor mode

(Or "supervisor state") An execution mode on some processors which enables execution of all instructions, including privileged instructions. It may also give access to different a address space, to memory management hardware and to other peripherals. This is the mode in which the operating system usually runs.

Opposite: user mode.

Last updated: 1995-02-15

Supervisory Control and Data Acquisition


(SCADA) Systems are used in industry to monitor and control plant status and provide logging facilities. SCADA systems are highly configurable, and usually interface to the plant via PLCs.

Last updated: 1997-02-11

Nearby terms:

Super Video Graphics Arraysupervisor modeSupervisory Control and Data Acquisition

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