Embedded Systems Questions and Answers

What is watchdog timer?View Answer
What is semaphore?View Answer
What is mutex?View Answer
Can structures be passed to the functions by value?View Answer
Why cannot arrays be passed by values to functions?View Answer
Advantages and disadvantages of using macro and inline functions?View Answer
What happens when recursion functions are declared inline?View Answer
Scope of static variables?View Answer
What is the difference between a ‘thread’ and a ‘process’?View Answer
What is a Inode?View Answer
What is pass by value and pass by reference? How are structure passed as arguments?View Answer
What is difference between using a macro and a in line function?View Answer
What is the volatile keyword used for?View Answer
What are hard and soft Real time systems?View Answer
What is a semaphore? what are the different types of semaphore?View Answer
Write a constant time consuming statement lot finding out If a given number Is a power of 2?View Answer
What are recursive functions? Can we make them in line?View Answer
What is the size of the int, char and float data types?View Answer
What does malloc do? What will happen if we have a statement like malloc(sizeof(0));View Answer
What is meant by a forward reference in C?View Answer
What is the order of calling for the constructors and destructors in case of objects of inherited classes?View Answer
Explain the properties of a Object oriented programming language.View Answer
What do you mean by interrupt latency?View Answer
What typecast is applied when we have a signed and an unsigned int in an expression?View Answer
How are variables mapped across to the various memories by the C compiler?View Answer
What is a memory leak? What is a segmentation fault?View Answer
What is ISR? Can they be passed any parameter and can they return a value?View Answer
a=7; b=8; x=a++-b; printf(“%d”, x ); What does this code give as output?View Answer
What are little endian and big endian types of storage? How can you identify which type of allocation a system follows?View Answer
What is the scope of a function that is declared as static?View Answer
What is the use of having the const qualifier?View Answer
Why do we need a infinite loop in embedded systems development? What are the different ways by which you can code in a infinite loop?View Answer
What is the difference between embedded systems and the system in which rtos is running?View Answer