Explain me what is semaphore?
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What elements of oo design are most prone to abuse? How would you mitigate that?
What is isr? Can they be passed any parameter and can they return a value?
Tell me how does the interrupts handle by using the threads?
Which is better a char, short or int type for optimization?
Tell me can a variable be both const and volatile?
What's the difference between locking and lockless (optimistic and pessimistic) concurrency models?
Which parameters decide the size of data type for a processor?
Tell me what is top half & bottom half of a kernel?
Mention what are the essential components of embedded system?
Explain what is the difference between mutexes and semaphores?
Tell me what is rtos?
What is mutex precisely used for?