Operating System Unit-2 | Scheduler, Deadlock & RAG Explained | Diploma Sem 1 | P-3|VidyaSetu series

In this lecture of Operating System (Unit 2), we cover some of the most essential and conceptual topics — Scheduler & its Types, Concept of Deadlock, and Resource Allocation Graph.
These topics are extremely important for understanding how processes are managed and how the system handles resource conflicts.
Each concept has been explained in both theoretical and practical ways, with clear examples for easy understanding.

🔹 Topics Covered in this Lecture

Scheduler and its Types (Long-Term, Short-Term, Medium-Term)

Concept of Deadlock

Necessary Conditions for Deadlock

Resource Allocation Graph (RAG)

Single Instance and Multi-Instance Resource Representation
📖 Time Stamps:

Introduction – 0:00

Concept of Scheduler – 0:34

Overview of Scheduler Types through Flowchart – 5:37

Long-Term Scheduler (Theoretical Way) – 12:40

Short-Term Scheduler (Theoretical Way) – 13:50

Medium-Term Scheduler (Theoretical Way) – 14:33

Concept of Deadlock – 15:18

Necessary Conditions for Deadlock – 18:10

Resource Allocation Graph (RAG) – 21:50

Single Instance Resource (With Deadlock) – 27:34

Single Instance Resource (Without Deadlock) – 30:43

Multi Instance Resource – (See Note Below)

Ending – 33:30
💡 Note:
Due to some reasons, the Multi-Instance Resource video could not be prepared in this session.
A dedicated video on this topic will be uploaded soon.
Till then, you can refer to the following video for better understanding 👇

🎥 Multi-Instance Resource Video Link:
🔗 https://youtu.be/hJhB2ddOQtg?si=kDtW22k6JYEJ7e-o

📒 Detailed Notes will be available soon on our official website –
🌐 https://dseuinsiders.netlify.app/

🚀 Next Lecture Preview
In the upcoming class, we will discuss Deadlock Handling Methods such as Prevention, Avoidance, and Detection — along with practical examples and diagrams.

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📢 Doubt Section
If you have any doubts, feel free to ask in the comment box.
We will also organize a special doubt-solving session in the future where your queries will be solved one by one.

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Видео Operating System Unit-2 | Scheduler, Deadlock & RAG Explained | Diploma Sem 1 | P-3|VidyaSetu series канала DSEU INSIDERS