This set of C Multiple Choice Questions & Answers (MCQs) focuses on “Command Line Arguments – 2”.
Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial.
1. A program that has no command line arguments will have argc _________
a) Zero
b) Negative
c) One
d) Two
View Answer
Explanation: None.
2. What is the index of the last argument in command line arguments?
a) argc – 2
b) argc + 1
c) argc
d) argc – 1
View Answer
Explanation: None.
3. 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;
}
a) 0
b) 1
c) Depends on the platform
d) Depends on the compiler
View Answer
Explanation: None.
4. 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;
}
a) Compile time error
b) Executablefilename
c) Segmentation fault
d) Undefined
View Answer
Explanation: None.
5. 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[])
{printf("%s\n", argv[argc]);
return 0;
}
a) Segmentation fault/code crash
b) Executable file name
c) Depends on the platform
d) Depends on the compiler
View Answer
Explanation: None.
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 (*argv++ != NULL)
printf("%s\n", *argv);
return 0;
}
a) Segmentation fault/code crash
b) Executable file name
c) Depends on the platform
d) Depends on the compiler
View Answer
Explanation: None.
7. 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 (*argv != NULL)
printf("%s\n", *(argv++));
return 0;
}
a) Segmentation fault/code crash
b) Executable file name
c) Depends on the platform
d) Depends on the compiler
View Answer
Explanation: None.
8. 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 (argv != NULL)
printf("%s\n", *(argv++));
return 0;
}
a) Segmentation fault/code crash
b) Executable file name
c) Depends on the platform
d) Depends on the compiler
View Answer
Explanation: None.
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