Semaphore in Operating System | Process Synchronization | Group discuss | Bangla Tutorial

Welcome to this Operating System Bangla Tutorial 🎓
In this video, we explain Semaphore in Operating System, one of the most important concepts used for Process Synchronization and critical section problems.

This topic is very important for:
CSE / IT / Diploma students
Operating System exams and lab viva
Understanding concurrency and shared resources
📘 Topics Covered in This Video
What is Process Synchronization
Why synchronization is needed in Operating System
What is a Semaphore
Types of Semaphores:
Binary Semaphore
Counting Semaphore
wait() and signal() operations explained
How semaphores solve the Critical Section Problem
Simple examples explained in Bangla
Common mistakes beginners make with semaphores
💡 This Tutorial Is Perfect For
Students learning Operating System for the first time
Those preparing for OS theory, lab, and viva
Anyone who wants to understand synchronization concepts clearly
By the end of this video, you’ll clearly understand how semaphores work and how they are used to control access to shared resources in an operating system.

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