Semaphores in OS Explained 🔐 | Deep Dive into Process Synchronization & Critical Sections
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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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Semaphore Flags
Lesson: How to use semaphore flags | Oak National Academy
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7.3K views · 88 reactions | Before radio, visual line of sight signalling with signal lamps, flags, and these physical semaphore devices were used. The concept of signaling for long distance communication is ancient and used extensively during earlier conflicts like the Napoleonic era. A version of semaphore devices survived in modern time in the form of railway signals. #WW1 #WWI #ww1history #logistics #capcut | This Day In WWI | Facebook
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7.3K views · 88 reactions | Before radio, visual line of sight signalling with signal lamps, flags, and these physical semaphore devices were used. The concept of signaling for long distance communication is ancient and used extensively during earlier conflicts like the Napoleonic era. A version of semaphore devices survived in modern time in the form of railway signals. #WW1 #WWI #ww1history #logistics #capcut | This Day In WWI | Facebook
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