Download JNTUH MCA 3rd Sem R17 2022 March-April 843AC Marchapril Operating Systems Question Paper

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