6. What will be the output of the following C code (run without any command line arguments)?
   

    #include <stdio.h>
       int main(int argc, char *argv[])
       {
           while (argc--)
           printf("%s\n", argv[argc]);
           return 0;
       }
   

1. 1. Compilation Error

   
   
   

   2. Segmentation fault

   
   
   

   3. Undefined behaviour

   
   
   

   4. Nothing

   
   
   

   5. main

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   main

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7. What will be the output of the following C code (if run with no options or arguments)?
   

   #include <stdio.h>
       int main(int argc, char *argv[])
       {
           printf("%d\n", argc);
           return 0;
       }
   

1. 1. Depends on the compiler

   
   
   

   2. Nothing

   
   
   

   3. 0

   
   
   

   4. 1

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   1

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8. What is the index of the last argument in command line arguments?

1. 1. argc – 1

   
   
   

   2. argc

   
   
   

   3. argc + 1

   
   
   

   4. argc – 2

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   argc – 1

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9. A program that has no command line arguments will have argc _________.

1. 1. Two

   
   
   

   2. Zero

   
   
   

   3. Negative

   
   
   

   4. One

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   One

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10. What is argv[0] in command line arguments?

1. 1. Count of the arguments in argv[] vector

   
   
   

   2. The name by which the program was invoked

   
   
   

   3. The name of the files which are passed to the program

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   The name by which the program was invoked

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