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Operating Systems Question Paper - Dec 17 - Electronics And Telecomm (Semester 6) - Mumbai University (MU)
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Operating Systems - Dec 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)
Define an OS? What are the different functions of an OS?
(5 marks)
00
b)
What is a Process? What are the contents of a process control block?
(5 marks)
00
c)
What are the different features of a Real Time OS?
(5 marks)
00
d)
Explain Segmentation as a Memory Managment scheme.
(5 marks)
00
Q2
a)
What is Preemptive and Non-Preemptive CPU scheduling? Explain any one CPU scheduling algorithm in detail.
(10 marks)
00
b)
Exaplain concept of I-nodes in Unix OS.
(10 marks)
00
Q3
a)
What is Deadlock? What are the four conditions for a deadlock to occur?
(10 marks)
00
b)
Expalin RAID architecture to manage devices in an OS.
(10 marks)
00
Q4
a)
Explain clearly Demand Paging and concept of Virtual memory in an OS.
(10 marks)
00
b)
What are the different issues to be considered in scheduling in a real time OS.
(10 marks)
00
Q5
a)
Explain contiguous and non-contiguous file allocation techniques in an OS.
(10 marks)
00
b)
What is the kernel of an OS? Describe Monolithic kernel and architecture of an OS.
(10 marks)
00
Q6
a)
Compare and contrast Unix and Windows OS.
(10 marks)
00
b)
Write a note on device management in an OS.
(10 marks)
00
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