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Gujarat Technological UniversitySummer 2026 Examination

GTU 3140702 Operating System (OS) Summer 2026 Paper Solution & PDF

B.E. · Computer Engineering · Semester 4 · Subject Code: 3140702
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Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Jump toQ1Q2Q3Q4Q5

Question 1

14 MarksMedium
(a)
List any four functions of operating system?
3 Marks
(b)
Explain the essential properties of
i)Batch system
ii)Time sharing
iii)Real time
iv)Distribute
i)Batch system
ii)Time sharing
iii)Real time
iv)Distribute
4 Marks
(c)

What is Semaphore? Give the implementation of Bounded Buffer Producer Consumer Problem using Semaphore.

7 Marks

Question 2

14 MarksMedium
(a)
Discuss the major goals of I/O software
3 Marks
(b)
What is scheduling? Explain the types of schedulers.
4 Marks
(c)

List out various criteria for good process scheduling algorithms. Illustrate non- preemptive priority scheduling algorithm.

7 Marks
OR OPTION
(c)
What is monitor? Explain solution for producer-consumer problem using monitor.
7 Marks

Question 3

14 MarksMedium
(a)
What is Process? Give the difference between a process and a program.
3 Marks
(b)

What is Process State? Explain different states of a process with various queues generated at each stage.

4 Marks
(c)
Briefly explain and compare, fixed and dynamic memory partitioning schemes.
7 Marks
OR OPTION
(a)
Define the difference between preemptive and nonpreemptive scheduling.
3 Marks
(b)
Differentiate user level and kernel level thread.
4 Marks
(c)

Write a bounded-buffer monitor in which the buffers (portions) are embedded within the monitor itself.

7 Marks

Question 4

14 MarksMedium
(a)
What is thread? Explain classical thread model.
3 Marks
(b)
What is external fragmentation? Explain the solution to external fragmentation.
4 Marks
(c)
Illustrate Readers and Writers IPC problem with solution.
7 Marks
OR OPTION
(a)
Discuss the major goals of I/O software
3 Marks
(b)
Explain the terms related to IPC:
i)Race condition
ii)Critical section
iii)Mutual exclusion
iv)Semaphores
4 Marks
(c)
Write short note on RAID levels.
7 Marks

Question 5

14 MarksMedium
(a)
Write a short note: Unix kernel.
3 Marks
(b)
What are components of Linux systems?
4 Marks
(c)
Explain process control block with all parameters.
7 Marks
OR OPTION
(a)
What is deadlock? List the conditions that lead to deadlock.
3 Marks
(b)
Compare virtual machine and non virtual machine.
4 Marks
(c)
Explain Disk arm scheduling algorithm.
7 Marks
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About this Examination Paper & Attribution

Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Operating System (OS) (Summer 2026, B.E. · Computer Engineering, Sem 4). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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