Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R17 2022 March-April 843AC Marchapril Operating Systems Previous Question Paper
R17
Code No: 843AC
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA III Semester Examinations, March/April - 2022
OPERATING SYSTEMS
Time: 3 Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
- - -
1.
Explain in detail about multiprogrammed, time-shared and real time systems in details.
[15]
2.
Discuss about various process and file handling utilities.
[15]
3.
Find out average waiting time for given data using SJF and round robin (time quantum:
2units) scheduling algorithm:
[15]
Process ID
Arrival time
Burst time
P01
0
5
P02
2
3
P03
4
2
P04
5
6
P05
6
4
4.
What is a deadlock? How can it be detected and recovered?
[15]
5.
How semaphores can be for process synchronization
?
[15]
6.
Explain IPC between processes on different systems using message queues and shared
memory.
[15]
7.
Simulate page replacement algorithms on following reference strings:
[15]
1,2,3,2,1,2,3,4,5,6,5,4,3,5
8.
Explain various file allocation and access methods.
[15]
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This post was last modified on 17 March 2023