C Programming Multiple Choice Questions - Command Line Arguments

This section focuses on the "Command Line Arguments" in C programming. These Multiple Choice Questions (MCQ) should be practiced to improve the C programming skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

1. The command line arguments are handled using?

A. void()
B. main()
C. header files
D. macros

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2. argc refers to the?

A. number of arguments passed
B. a pointer array
C. Both A and B
D. None of the above

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3. argv[] is a?

A. a pointer array
B. It points to each argument passed to the program.
C. Both A and B
D. None of the above

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4. In linux, argv[0] by command-line argument can be occupied by _________

A. ./a.out
B. ./test
C. ./fun.out.out
D. All of the above

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5. What type of array is generally generated in Command-line argument?

A. Single dimension array
B. 2-Dimensional Square Array
C. Jagged Array
D. 2-Dimensional Rectangular Array

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

A. argc – 2
B. argc – 1
C. argc
D. argc + 1

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7. What will be output for the following code?

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

A. 0
B. 1
C. error
D. Depends on the compiler

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8. What will be output for the following code?

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

A. Segmentation fault/code crash
B. Executable file name
C. Depends on the platform
D. Depends on the compiler

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9. What will be output for the following code?

#include <stdio.h>
int main(int argc, char *argv[])
{
    printf(""%s
"", argv[-1]);
    return 0;
}

A. ./a.out
B. Segmentation fault/code crash
C. -1
D. Depends on the compiler

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10. What will be output for the following code?

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

A. ./a.out
B. Segmentation fault/code crash
C. Depends on the platform
D. Depends on the compiler

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