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What does mean by dual-mode operation in the context of operating system ?

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What does mean by dual-mode operation in the context of operating system ?
posted Dec 11, 2014 by Ganesh Kumar

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1 Answer

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The dual mode operation provides us with the means for protecting the operating system from
wrong users and wrong users from one another. User mode and monitor mode are the two
modes. Monitor mode is also called supervisor mode, system mode or privileged mode. Mode bit
is attached to the hardware of the computer to indicate the current mode. Mode bit is '0' for
monitor mode and '1' for user mode.

answer Dec 11, 2014 by Sridharan P
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