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Home C Programming Control Instructions See What Others Are Saying!
  • Question
  • What will be the output of the program?
    #include<stdio.h>
    int main()
    {
        int i=4;
        switch(i)
        {
            default:
               printf("This is default\n");
            case 1:
               printf("This is case 1\n");
               break;
            case 2:
               printf("This is case 2\n");
               break;
            case 3:
               printf("This is case 3\n");
        }
        return 0;
    }
    


  • Options
  • A. This is default
    This is case 1
  • B. This is case 3
    This is default
  • C. This is case 1
    This is case 3
  • D. This is default

  • Correct Answer
  • This is default
    This is case 1 

    Explanation
    In the very begining of switch-case statement default statement is encountered. So, it prints "This is default".

    In default statement there is no break; statement is included. So it prints the case 1 statements. "This is case 1".

    Then the break; statement is encountered. Hence the program exits from the switch-case block.


    More questions

    • 1. Bitwise | can be used to set a bit in number.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 2. Can we have an array of bit fields?

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 3. By default structure variable will be of auto storage class

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 4. Bitwise can be used to reverse a sign of a number.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 5. Is it necessary that in a function which accepts variable argument list there should be at least be one fixed argument?

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 6. Bitwise can be used to generate a random number.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 7. A function that receives variable number of arguments should use va_arg() to extract the last argument from the variable argument list.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Bitwise & can be used to check if more than one bit in a number is on.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The preprocessor can trap simple errors like missing declarations, nested comments or mismatch of braces.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. It is necessary that a header files should have a .h extension?

    • Options
    • A. Yes
    • B. No
    • Discuss


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