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Operating Systems Question Paper - May 17 - Electronics And Telecomm (Semester 6) - Mumbai University (MU)
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Operating Systems - May 17
Electronics And Telecomm (Semester 6)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
Q1
a)
What is operating system? Discuss the role of an OS as a resource manager.
(5 marks)
00
b)
Differentiate between deadlock avoidance and deadlock prevention.
(5 marks)
00
c)
What are the advantages of Linux and Unix over windows?
(5 marks)
00
d)
Explain the performance of demand paging.
(5 marks)
00
Q2
a)
Explain clearly, how Unix performs file managment using I-nodes.
(10 marks)
00
b)
What is process? Explain the life cycle of a process using process state transition diagram.
(10 marks)
00
Q3
a)
Explain clearly,paging and segmentation based memory managment techniques.
(10 marks)
00
b)
Explain the working of buddy algorithm in linux memory managment.
(10 marks)
00
Q4
a)
What is semaphore? Give an implementation of bounded buffer procedure consumer problem using semaphore.
(10 marks)
00
b)
Explain the different methods of organizing directories in an operation system..
(10 marks)
00
Q5
a)
What is kernel of an operating system? What are the different types of kernels?
(10 marks)
00
b)
Exaplin the working of EDF and RMA real time scheduling algorithms.
(10 marks)
00
Q6 Write a details note on follwoing:
a)
Disk Arm scheduling algorithms.
(10 marks)
00
b)
Logical and physical address space.
(10 marks)
00
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