Register

Privileged modes

152 views
0 votes
0 votes
The four privileged modes (Ring 0 to Ring 3 as provided by x86) are the minimum levels of execution modes required for an operating system to operate correctly
User Avatar

Please log in or register to answer this question.

Voting & Accepting an answer helps improve the community
← PreviousNext →
← Previous in categoryNext in category →

Related questions

404
views
0 answers
0 votes
harsh yadav asked Dec 4, 2018
404 views
#Privileged vs Non Privileged mode
A CPU has 2 modes, privileged and non-privileged. In order to change the mode from non-privileged to privileged normally software interrupt is used but can a hardware interrupt can change the mode from non-privileged to privileged?
User Avatar
1.6k
views
0 answers
1 votes
Pawan Kumar 2 asked May 30, 2018
1,554 views
Privileged vs Non Privileged mode
Switching from privileged to non-privileged mode requires a non-privileged instruction according to this linkhttps://gateoverflow.in/706/gate2001-1-13But below has been quoted in ... this ... Any sort of help is appreciated ... Thanks :)
User Avatar
598
views
0 answers
1 votes
cse7 asked Oct 22, 2016
598 views
does operating system always runs in privileged mode
does operating system always runs in privileged mode or is there any other way also?
User Avatar
1.1k
views
1 answers
2 votes
resilientknight asked Sep 1, 2016
1,128 views
OS - Privileged,non-privileged concept,typical/crucial
can a non privileged instruction be executed in privileged mode?(like when returning from kernel to user mode) or is it necessary to make it a privileged instruction?
User Avatar
Link Copied!