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 ...
25 views4 months ago
Railway Semaphore Signal History
SEMAPHORE SIGNAL SUNDAY at The Spa Country Railway Daylesford, Australia. #train #railway #railroad | Schony747 Youtube & DVD
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SEMAPHORE SIGNAL SUNDAY at The Spa Country Railway Daylesford, Australia. #train #railway #railroad | Schony747 Youtube & DVD
FacebookSchony747 Youtube & DVD
7.8K viewsMar 31, 2024
1.4K reactions · 18 shares | 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 | Facebook
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1.4K reactions · 18 shares | 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 | Facebook
FacebookAdrian Watson
73.7K views3 weeks ago
80K views · 1.5K reactions | #OnThisDay 1924: The 'pips' (aka the Greenwich Time Signal) began, soon to become an iconic part of radio's soundscape. Find out more about their interesting history here: https://www.bbc.com/historyofthebbc/anniversaries/february/the-pips/ | BBC Archive | Facebook
3:08
80K views · 1.5K reactions | #OnThisDay 1924: The 'pips' (aka the Greenwich Time Signal) began, soon to become an iconic part of radio's soundscape. Find out more about their interesting history here: https://www.bbc.com/historyofthebbc/anniversaries/february/the-pips/ | BBC Archive | Facebook
FacebookBBC Archive
80.2K views1 week ago
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