supervisor mode
supervisor mode
[′sü·pər‚vī·zər ‚mōd] (computer science)
A method of computer operation in which the computer can execute all its own instructions, including the privileged instruction not normally allowed to the programmer, in contrast to problem mode.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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.
Opposite: user mode.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
privileged mode
An operational state of software that has the highest priority. Also called the "supervisor mode" or "supervisor state," it is typically the mode in which the operating system runs, because it has access to all the resources in the computer. See privilege.supervisor state
Typically associated with mainframes, it is a hardware mode in which the operating system executes instructions unavailable to an application program; for example, I/O instructions. Contrast with program state. See supervisor call.Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.