Command Line Arguments Quiz Online Practice Test

1. What do `argc` and `argv` represent in the context of command-line arguments?
(Assuming the signature is `int main(int argc, char *argv[])`)

2. In Linux, what can `argv[0]` represent in the context of command-line arguments?

3. What kind of array is typically created for command-line arguments?

4. What will the following C statement produce as output if the input is “cool brother in city”?
printf("%s\n", argv[argc]);

5. What does the first argument represent in command line arguments?

6. What does the second argument signify in command line arguments?

7. What does argv[0] represent in command line arguments?

8. If a program has no command line arguments, the value of argc will be _________.

9. What index represents the final argument in command-line arguments?

10. What will be the output of the following C code when executed without any command-line arguments?
#include <stdio.h>
int main(int argc, char *argv[])
{
printf("%d\n", argc);
return 0;
}

11. What will be the result of executing the following C code when no command-line arguments are provided?
#include <stdio.h>
int main(int argc, char *argv[])
{
while (argc--)
printf("%s\n", argv[argc]);
return 0;
}

12. What will the result be when executing the following C code without any command-line arguments?
#include <stdio.h>
int main(int argc, char *argv[])
{
printf("%s\n", argv[argc]);
return 0;
}

13. What will be the output of the following C code when executed without any command-line arguments?
#include <stdio.h>
int main(int argc, char *argv[])
{
while (*argv++ != NULL)
printf("%s\n", *argv);
return 0;
}

14. What will be the output of the following C code when executed without any command-line arguments?
#include <stdio.h>
int main(int argc, char *argv[])
{
while (*argv != NULL)
printf("%s\n", *(argv++));
return 0;
}

15. What will be the output of the following C code when executed without any command-line arguments?
#include <stdio.h>
int main(int argc, char *argv[])
{
while (argv != NULL)
printf("%s\n", *(argv++));
return 0;
}