Important Practice Question Available for Exam. This Questions are based on Repeated Topics and Frequently Ones with the Help of this you can Score Good Marks in Exam and you will Pass in Exam.
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1. Attempt any FIVE of the
following: 10
a) Define real time operating
system. List any four applications of it.
b) Explain any four services
provided by OS. **
c) Draw process state diagram. **
d) Explain any four scheduling
criteria.
e) Define virtual memory.
f) Write syntax of following
commands:
(i)
Sleep
(ii)
Kill
g) Describe any four file
attributes. *
h) Defione following terms
i)
Page fault
ii)
Segmentation
i) Write syntax of ps command and
explain its use with the help of suitable example.
2. Attempt any THREE of the
following: 12
a) Enlist types of operating
system. Explain multiprogramming OS in detail. **
b) List components of OS. Explain
process management in detail. *
c) With neat diagram explain inter
process communication model. *
d) Describe I/o burst and CPU
burst cycle with neat diagram.
e) Types and Describe different
scheduling criteria. **
f) Describe essential activities
done by an Operating System for protection and sharing.
3. Attempt any THREE of the following:
12
a) Explain ‘PS’ command with any
four options. *
b) Explain deadlock? What are
necessary conditions for deadlock? *
c) Explain partitioning and its
types.
d) Describe sequential and direct
access method.
c) Explain following terms with
respect to Memory management :
I.
Compaction
II. Swapping.
4. Attempt any THREE of the
following: 12
a) Write unix command for
following:
(i)
Create a folder OSY
(ii)
Create a file FIRST in OSY folder
(iii)
List / display all files and directories.
(iv)
Write command to clear the screen
b) What is purpose of system call?
State any two system calls with their functions. *
c) State and describe types of
scheduler. *
d) Explain Round Robin algorithm
with suitable example.
e) List and Explain PCB with
diagram. *
f) Compare between Windows and
LINUX Operating System. (any four points)
g) Compare between short term and
long term scheduler. (any four points)
h) Compare FCFS and SJF Scheduling
algorithm with any four points
i) Differentiate between
multiprogramming and multiprocessing.
5. Attempt any TWO of the
following: 12
a) Enlist the operating system
tools. Explain any two in detail. *
b) Explain multithreading model in
detail.
c) Explain FIFO & LRU page
replacement algorithm for following reference string.
i)
7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1.
ii)
12, 3, 4, 5, 1, 2, 5, 1, 2, 3, 4, 5, 1,6,7,8,7,8,9,7,8,9,5,4,4,5,4,2.
Calculate the page fault.
d) Write two uses of following
Operating System tools :
i.
Performance Monitor
ii.
Task scheduler
iii.
User Management
e) Write the output of the
following commands.
a.
Kill 9042018
b.
Ps 07121975
c.
Sleep 05
6. Attempt any TWO of the
following: 12
a) The jobs are scheduled for
execution as follows *
Solve the problem using:
(i)
SJF
(ii)
FCFS
Also find average waiting time
using Gantt chart.
b) List free space management
techniques? Describe any one in detail. *
c) Enlist different file
allocation methods? Explain contiguous allocation method in detail. **
d) Compare between bitmap and
linked list free space management techniques.(any six points)
e) Construct and explain directory
structure of a file system in terms of single level, two level and tree
structure.
NOTE: This is Not Official MSBTE Website: We Provide Important Practice Questions for Students to Score Good Marks in Exam and this Questions is based on Important Topics of Syllabus and Repeated Ones. So, with the help of this we help student to Not get KT / or / They will Not get Fail in Exam.