os, operating system 20 marks and 80 mark MSBTE third year fifth semester co,cm,cd,if CO/cd/cm/if SAMPLE question paper
Sample Test Paper - I
Subject
: Operating System
Max Marks : 20
.
Q.1 Attempt any Two of the following.
a) State and explain different Operating System services.
b) Explain process control block with suitable diagram.
c) What is mean by Operating System? Write difference between multitasking and
multiprogramming.
Q.2 Attempt any Two of the following.
a) Write different types of Operating System structure. Explain any two in detail.
b) Explain following terms
i)Multiprocessor systems.
ii)Distributed systems.
iii)Clustered Systems.
c)
i) Explain file management.
ii) What is mean by system call? Write system calls for process control.
Sample Test Paper - II
Subject
: Operating System
Max Marks : 20
Q.1 Attempt any Two of the following.08 Marks
a) Define thread. State the benefits of threads.
b) Explain Round Robin (RR) scheduling algorithm with suitable example.
c) What is Deadlock? How to prevent Deadlock?
Q.2 Attempt any Three of the following.12 Marks
a) Explain the following terms.
i)Sequential access method.
ii)Direct access method.
b) What is Virtual Memory? Explain the concept of Paging.
c) Explain the following terms.
i)First In First Out (FIFO).
ii)Least Recently Used (LRU).
d) Explain any two allocation methods.
Sample Question Paper - I
Course Name : Computer Engineering Group
Course Code : CO/CM/CD/IF
Semester: Fifth
Subject: Operating System
Max Marks : 80
Time: 3 Hours
Q.1 Attempt any FOUR of the following.16 Marks
a) What is Operating System? Explain the concept of time sharing.
b) State uses of system calls.
c) State and explain different process states.
d) State the concept of mutual exclusion.
e) Explain with suitable diagram layered and monolithic operating system structures.
f) Explain concept of swapping with diagram.
Q.2 Attempt any THREE of the following.-------12 Marks
a) State and explain different operating system services.
b) Differentiate between sequential and batch processing.
c) What do mean by scheduler? State types of scheduler.
d) Differentiate between Pre-emptive and Non-emptive scheduling.
Q.3 Attempt any TWO of the following.
a) What is booting? Explain the concept of device management.
b) Write different types of operating system structures. Explain any two with suitable
diagram.
c) What is process? Draw process state diagram and state its meaning.
Q.4 Attempt any TWO of the following.16 Marks
a) Explain in detail multithreading models with suitable example.
b) What is Deadlock? Explain concept of critical region and Deadlock handling.
c) Differentiate between the following terms
i)Contiguous and Linked allocation.
ii)Linked and Indexed allocation.
Q.5 Attempt any THREE of the following.-------12 Marks
a) Differentiate between multitasking and multiprogramming.
b) State real time and multiprocessor system.
c) State and explain operations on processes.
d) Explain CPU and I/O Burst cycle with suitable diagram.
Q.6 Attempt any TWO of the following.----12 Marks
a) Solve the following problem by using following scheduling algorithms
Processes Burst Time
- 1
- 27
- 2
- 6
- 3
- 3
i)FCFS.
ii)SJF.
iii)Round Robin.
b) Explain different free space management techniques.
c) Explain the FIFO, Optimal and LRU page replacement algorithm for the reference string,
7 0 1 2 0 3 0 4 2 3 1 0 3.
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