C Programming Quiz

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Questions and Answers

What is the output of the following code snippet? int main() { int a = 5; printf("%d", a++); printf("%d", ++a); return 0; }

  • 56
  • 57
  • 66
  • 67 (correct)

Which of the following is NOT a valid data type in C language?

  • float
  • char
  • double
  • string (correct)

What is the difference between a while loop and a do-while loop in C language?

  • A while loop can only be used for numerical iteration, while a do-while loop can be used for any kind of iteration
  • A do-while loop is executed at least once, while a while loop may not be executed at all (correct)
  • A while loop is executed at least once, while a do-while loop may not be executed at all
  • There is no difference, they are interchangeable

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