C QUESTIONS FOR EXPERIENCED CANDIDATES ( Vestino Technologies)

C QUESTIONS FOR EXPERIENCED CANDIDATES ( Vestino Technologies)

1. What is pointer to pointer in C? 2.What is the structure? 3.What is the syntax of structure? 4.What is the purpose of sprintf() function and its syntax? 5.Can we compile and execute a program without main() function? 6.What is command line...

  1. What is pointer to pointer in C?
  2. What is the structure?
  3. What is the syntax of structure?
  4. What is the purpose of sprintf() function and its syntax?
  5. Can we compile and execute a program without main() function?
  6. What is command line argument?
  7. What is the difference between getch() and getche()?
  8. What is the newline escape sequence and its usage?
  9. What is typecasting?
  10. What are the functions to open and close the file in C language?
  11. Can we access the array using a pointer in C language?
  12. What is an infinite loop?
  13. What is Dynamic Memory allocation? Mention the syntax. 
  14. Where can we not use &(address operator in C)?
  15. Write a simple example of a structure in C Language
  16. Differentiate between call by value and call by reference.
  17. Differentiate between getch() and getche().
  18. Explain toupper() with an example.
  19. Write a code to generate random numbers in C Language.
  20. Can I create a customized Head File in C language?
  21. What do you mean by Memory Leak?
  22. Explain Local Static Variables and what is their use?
  23. What is the difference between declaring a header file with < > and ” “?
  24. When should we use the register storage specifier?
  25. Which statement is efficient and why? x=x+1; or x++; ?
  26. Can I declare the same variable name to the variables which have different scopes?
  27. Which variable can be used to access Union data members if the Union variable is declared as a pointer variable?
  28. Mention File operations in C Language.
  29. What are the different storage class specifiers in C?
  30. Write a C program to print hello world without using a semicolon (;).
  31. Write a program to swap two numbers without using the third variable.
  32. Write a program to swap two numbers without using the third variable?
  33. Write a program to print Fibonacci series without using recursion?
  34. Write a program to check prime number in C Programming?
  35. Write a program to check palindrome number in C Programming?
  36. Write a program to print factorial of given number without using recursion?
  37. Write a program to print factorial of given number using recursion?
  38. Write a program to check Armstrong number in C?
  39. Write a program to reverse a given number in C?

ADVANCED C PROGRAMMING INTERVIEW QUESTIONS 40.How can you print a string with the symbol % in it? 41.Write a code to print the following pattern. 1 12 123 1234 12345 42.Explain the #pragma directive. 43.How can you remove duplicates in an array? 44.What is Bubble Sort Algorithm? Explain with a program.                          45.What is Round-robin algorithm? Write a code for Round Robin Scheduling. 46.Which structure is used to link the program and the operating system? 47.What are the limitations of scanf() and how can it be avoided? 48.Differentiate between the macros and the functions. 49.Suppose a global variable and local variable have the same name. Is it is possible to access a global variable from a block where local variables are defined?


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ADVANCED C++ INTERVIEW QUESTIONS FOR EXPERIENCED CANDIDATES ( Vestino Technologies))

1.What is class in C++? 2.What is inline function in C++? 3.What is friend function in C++? 4.What is exception handling in C++? 5.How to use vector in C++? 6.What is vector in C++? 7.What is scope resolution operator in C++? 8.What are character...

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