25 Best Embedded Systems Interview Questions and Answers

List of top 25 most frequently asked embedded systems interview questions and answers pdf download free

Embedded Systems Interview Questions and Answers List

  1. What is watchdog timer?
  2. What is semaphore?
  3. What is mutex?
  4. Can structures be passed to the functions by value?
  5. Why cannot arrays be passed by values to functions?
  6. Advantages and disadvantages of using macro and inline functions?
  7. What happens when recursion functions are declared inline?
  8. Scope of static variables?
  9. What is the difference between a ‘thread’ and a ‘process’?
  10. What is a Inode?
  11. What is pass by value and pass by reference? How are structure passed as arguments?
  12. What is difference between using a macro and a in line function?
  13. What is the volatile keyword used for?
  14. What are hard and soft Real time systems?
  15. What is a semaphore? what are the different types of semaphore?
  16. Write a constant time consuming statement lot finding out If a given number Is a power of 2?
  17. What are recursive functions? Can we make them in line?
  18. What is the size of the int, char and float data types?
  19. What does malloc do? What will happen if we have a statement like malloc(sizeof(0));
  20. What is meant by a forward reference in C?
  21. What is the order of calling for the constructors and destructors in case of objects of inherited classes?
  22. Explain the properties of a Object oriented programming language.
  23. What do you mean by interrupt latency?
  24. What typecast is applied when we have a signed and an unsigned int in an expression?
  25. How are variables mapped across to the various memories by the C compiler?

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