Computer Engineering Sem 4 Operating System Question Paper PDF 2026 - Mumbai University | munotes
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Semester-end · Operating System
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Questions asked in this paper
Duration: 3hours Marks: 80
NB: Question no. | is compulsory
(2) Attempt any three out of remaining five questions
(3) Assume data if required
Q-1 Attempt any FOUR
a Explain the difference between monolithic kernel and micro kernel. 5
b What is mutual exclusion? Explain its significance. 5
c Discuss various types of scheduler. 5
d Explain various process states with diagram. 5
e What is the effect of page size on performance of operating systems? 5
2-a What is operating system? Explain various functions and objectives. 10
b What is deadlock? Explain the necessary and sufficient condition for deadlock. 10
3-a Explain counting semaphore with examples. 10
b Consider the processes P1, P2, P3, P4 given in the below table, arrives for execution in the 10
same order, with Arrival Time 0, and given Burst Time. Draw the Gantt chart and find the
average waiting time using the FCFS and SJF (Non-Pre-emptive) scheduling algorithm
4-a What is paging? Explain LRU, FIFO and Optimal page replacement policy for the following
string. Page frame size is 4. Calculate the hit ratio for the same
b Explain data structures used in banker’s algorithms with example. 10
5-a What is system call? Explain any five system call in details. 10
b Explain virtual memory concept with respect to paging, segmentation and TLB. 10
Q-6 Write short notes on: (any two): 20
(c) Readers and writer problem using Semaphore
NB: Question no. | is compulsory
(2) Attempt any three out of remaining five questions
(3) Assume data if required
Q-1 Attempt any FOUR
a Explain the difference between monolithic kernel and micro kernel. 5
b What is mutual exclusion? Explain its significance. 5
c Discuss various types of scheduler. 5
d Explain various process states with diagram. 5
e What is the effect of page size on performance of operating systems? 5
2-a What is operating system? Explain various functions and objectives. 10
b What is deadlock? Explain the necessary and sufficient condition for deadlock. 10
3-a Explain counting semaphore with examples. 10
b Consider the processes P1, P2, P3, P4 given in the below table, arrives for execution in the 10
same order, with Arrival Time 0, and given Burst Time. Draw the Gantt chart and find the
average waiting time using the FCFS and SJF (Non-Pre-emptive) scheduling algorithm
4-a What is paging? Explain LRU, FIFO and Optimal page replacement policy for the following
string. Page frame size is 4. Calculate the hit ratio for the same
b Explain data structures used in banker’s algorithms with example. 10
5-a What is system call? Explain any five system call in details. 10
b Explain virtual memory concept with respect to paging, segmentation and TLB. 10
Q-6 Write short notes on: (any two): 20
(c) Readers and writer problem using Semaphore
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Computer Engineering Sem 4 Paper Path
Use this paper as one timed CMPN Sem 4 mock, then compare Operating System, Engineering Mathematics IV, DBMS, Microprocessors, and Analysis of Algorithm papers from nearby year sets.
Step: Open this Computer Engineering Sem 4 paper in the free viewer first.
Step: Compare the May 2024 and December 2022 year sets for repeated subjects.
Step: Use the full CMPN Sem 4 folder when you need more second-year engineering practice.
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