CPU Scheduling Algorithms – Round Robin & Multilevel Queue | Operating Systems | L-8

CPU Scheduling Algorithms – Round Robin & Multilevel Queue explained clearly for beginners.

In this lecture, we dive into Round Robin and Multilevel Queue Scheduling, two critical CPU scheduling algorithms used in operating systems.
We cover how these algorithms handle fairness, process priorities, and efficient CPU utilization in different scenarios.

This lecture explains step-by-step working, examples, advantages, and disadvantages of both algorithms, with Gantt charts and diagrams for easier understanding.

Topics Covered:
• Introduction to Round Robin (RR)
• Time Quantum & Preemptive Logic
• Step-by-Step Round Robin Execution
• Example of RR Execution with Gantt Chart
• Advantages and Disadvantages of RR
• Introduction to Multilevel Queue (MLQ) Scheduling
• How MLQ Works (Local & Inter-Queue Scheduling)
• Example of MLQ Execution
• Advantages and Disadvantages of MLQ
• Key Takeaways & Conclusion

This video is ideal for:
✔ BTech / MTech Computer Science students
✔ GATE Operating Systems preparation
✔ Technical interview preparation
✔ Beginners learning Operating Systems
✔ Anyone studying CPU scheduling algorithms

📌 This is Part 8 of the Operating Systems Full Course
📌 Previous Lecture: CPU Scheduling Algorithms – FCFS, SJF, Priority Explained
📌 Next Lecture: Preemptive vs Non-Preemptive Scheduling

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Automatic Chapters (Video Timeline)
00:00 Introduction – ConceptCore
00:10 Introduction to Round Robin (RR)
01:08 How Round Robin Works – Step by Step
02:03 Example of Round Robin Execution
02:50 Round Robin: Advantages & Disadvantages
03:37 Introduction to Multilevel Queue (MLQ) Scheduling
04:25 How Multilevel Queue Works
05:16 Example of Multilevel Queue Execution
05:52 MLQ: Advantages & Disadvantages
06:31 Key Takeaways & Summary

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