Semaphores in OS Explained 🔐 | Deep Dive into Process Synchronization & Critical Sections
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YouTubeCoding theory
Semaphores in OS Explained 🔐 | Deep Dive into Process Synchronization & Critical Sections
In this deep dive video, understand **Semaphores** in Operating Systems—one of the most important tools for **process synchronization** and **critical section management**. Learn how `wait()` and `signal()` operations work, the difference between **counting and binary semaphores**, and how semaphores prevent **race conditions**, **deadlocks ...
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Railway Semaphore Signal History
19K views · 324 reactions | SEMAPHORE SIGNAL SUNDAY at The Spa Country Railway Daylesford, Australia. #train #railway #railroad | Schony747 Youtube & DVD | Facebook
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Stop!!! The iconic beauty of the semaphore railway signal. Becoming very rare on the main rail network, but still found working on heritage rail lines. Also, no model railway is complete without them!!#uktrainspotting #trains #diesellocomotive #britishrailways #railway #railways #trainspotting #railroad #modelrailway | Adrian Watson
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Stop!!! The iconic beauty of the semaphore railway signal. Becoming very rare on the main rail network, but still found working on heritage rail lines. Also, no model railway is complete without them!!#uktrainspotting #trains #diesellocomotive #britishrailways #railway #railways #trainspotting #railroad #modelrailway | Adrian Watson
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