M.C.A DEGREE EXAMINATION, JUNE/JULY 2009
SECOND SEMESTER CA5155 OPERATING SYSTEMS
(REGULATION 2007)
Time: Three hours Maximum: 100 marks
Answer all questions.
PART A – [10 X 2 = 20 marks]
1.What do you mean by graceful degradation in multiprocessor systems?
2.What is system call?
3.What are the various states of a process?
4.Why CPU scheduling is required?
5.List the three requirements that must be satisfied by critical-section problem.
6.Define deadlock.
7.What do you mean by swapping technique?
8.State the principle of locality.
