Tell me what is null pointer and what is its use?
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Tell me whether we can use semaphore or mutex or spinlock in interrupt context in linux kernel?
Tell me what are real-time embedded systems?
What is refactoring? Have you used it and it is important? Name three common refactorings.
Explain me what is semaphore?
Tell me what are the different storage classes in c?
What are the most common errors you've found in embedded systems and how have you resolved them?
How to reduce interrupt latency?
Tell me can a variable be both const and volatile?
What is the purpose of a watchdog timer?
What are recursive functions? Can we make them in line?
How do you react to people criticizing your code/documents?
What are the rules followed by mutexes?