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Assignment No. 01 Semester: Fall 2014 CS604 –Operating System Due Date: 14/11/2014

Question 2: (5 Marks)


Some computer systems do not provide a privileged mode (either user mode or kernel mode) of operation in hardware. Is it possible to construct a secure operating system for these computer systems? Write the name of the most secure operating system and justify your answer with solid reasons also tell either it is possible or not.


NOTE: Do not put any query on MDB about this assignment, if you have any query then email at

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khadija wsy smja skti hain?


Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....

                           I think you're right  ++KhAdIjA ++ !

two important file for this assign, but beware instructor's warning:


Instructor herself/himself copied the questions, & issues us warning of plagiarism.

What a university of copier instructors! 


Ya Question No.2 ka answer kuch juch nai raha. jo solution dia ha khadija ap nay question 2 ka its not perfect

                well make it perfect for you're self! 





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