Tell me what is null pointer and what is its use?


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Why is it better to use multi-threading polling then single threading model?

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Explain the uses of timers in embedded system?

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Explain me what is the main function of multiplexed address/data bus?

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Explain the concept of separation of concerns?

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Tell me why is it better to use multi-threading polling then single threading model?

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Tell me what are the different storage classes in c?

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How many types of ipc mechanism you know?

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What is the purpose of a watchdog timer?

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Explain the difference between "set" logic, and "procedural" logic. When would you use each one and why?

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wat are the different rtos available? wat is the difference beetween RTOS ans OS

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What is inversion of control? How does that relate to dependency injection?

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How can you optimize the i/o performance?

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