Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R17 2021 July-August 843AC Operating Systems Previous Question Paper
R17
Code No: 843AC
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
2021 MCA III Semester Examinations, July/August - 2021
OPERATING SYSTEMS
Time: 3 Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
- - -
1.a)
What are the challenges in designing a distributed operating system?
b)
Explain the various functions of an operating system.
[8+7]
2.a)
What is system call? Explain the various types of system calls and its purpose.
b)
What are time shared and real time systems? Explain them in detail.
[8+7]
3.a)
Explain exec system call with examples.
b)
What is Deadlock? Explain about Deadlock Avoidance.
[8+7]
4.a)
Explain the concept of Binary semaphores in detail.
b)
What is a race condition? Describe how monitors are to solve synchronization
problem.
[7+8]
5.
Explain about Inter Process Communication using FIFOs in detail with examples. [15]
6.a) Explain various LRU-Approximation page replacement algorithms.
b)
Draw a neat diagram showing address translation scheme in paging with TLB.
[8+7]
7.a)
With a neat diagram explain about Unix File system.
b) Explain briefly about file protection.
[8+7]
8.
Discuss various file allocation strategies. Discuss the merits and demerits of various file
allocation strategies.
[15]
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This post was last modified on 17 March 2023