Explain me what is semaphore?


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More Embedded Systems AllOther Interview Questions

What elements of oo design are most prone to abuse? How would you mitigate that?

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What is isr? Can they be passed any parameter and can they return a value?

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Tell me how does the interrupts handle by using the threads?

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Which is better a char, short or int type for optimization?

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Tell me can a variable be both const and volatile?

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What's the difference between locking and lockless (optimistic and pessimistic) concurrency models?

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Which parameters decide the size of data type for a processor?

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Tell me what is top half & bottom half of a kernel?

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Mention what are the essential components of embedded system?

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Explain what is the difference between mutexes and semaphores?

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Tell me what is rtos?

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What is mutex precisely used for?

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