Explore topic-wise MCQs in Command Line Arguments.

This section includes 70 Mcqs, each offering curated multiple-choice questions to sharpen your Command Line Arguments knowledge and support exam preparation. Choose a topic below to get started.

51.

If the following program (myproc.c) is present in the directory "C: TC" then what will be output of the program if run it from DOS shell? /* myproc.c */ #include int main(int argc, char *argv[]) { printf("%s", argv[0]); return 0; }

A. SAMPLE.C
B. C: TC MYPROC.EXE
C. C: TC
D. Error
Answer» C. C: TC
Discussion
52.

Which of the following statements are FALSE about the below code? int main(int ac, char *av[]) { }

A. ac contains count of arguments supplied at command-line
B. av[] contains addresses of arguments supplied at a command line
C. In place of ac and av, argc and argv should be used.
D. The variables ac and av are always local to main()
Answer» D. The variables ac and av are always local to main()
Discussion
53.

What will be the output of this program ?

A. (null)
B. B.
C. C.
D. D.
Answer» B. B.
Discussion
54.

Which is the correct form to declare main with command line arguments ?

A. int main(int argc, char argv[]){ }
B. B.
C. C.
D. D.
Answer» C. C.
Discussion
55.

What will be the output of this program (prg_1.c)? #include int main(int argc,char* argv[]) { printf("%d",argc); return 0; }

A. 4
B. 5
C. 6
D. 3
Answer» C. 6
Discussion
56.

What is the output of this C code? #include int main() { int i = 10; int *p = &i; foo(&p); printf("%d ", *p); printf("%d ", *p); } void foo(int **const p) { int j = 11; *p = &j; printf("%d ", **p); }

A. 11 11 11
B. 11 11 Undefined-value
C. Compile time error
D. Segmentation fault/code-crash
Answer» C. Compile time error
Discussion
57.

What is the output of this C code? #include int main() { int i = 11; int *p = &i; foo(&p); printf("%d ", *p); } void foo(int *const *p) { int j = 10; *p = &j; printf("%d ", **p); }

A. Compile time error
B. 10 10
C. Undefined behaviour
D. 10 11
Answer» B. 10 10
Discussion
58.

What is the output of this C code? #include int main() { int i = 97, *p = &i; foo(&p); printf("%d ", *p); return 0; } void foo(int **p) { int j = 2; *p = &j; printf("%d ", **p); }

A. 2 2
B. 2 97
C. Undefined behaviour
D. Segmentation fault/code crash
Answer» B. 2 97
Discussion
59.

What will be the output of the following C code? #include main() { typedef int a; a b=2, c=8, d; d=(b*2)/2+8; printf("%d",d); }

A. 10
B. 16
C. 8
D. error
Answer» B. 16
Discussion
60.

What is the output of this C code? #include int main() { int i = 97, *p = &i; foo(&i); printf("%d ", *p); } void foo(int *p) { int j = 2; p = &j; printf("%d ", *p); }

A. 2 97
B. 2 2
C. Compile time error
D. Segmentation fault/code crash
Answer» B. 2 2
Discussion
61.

What is the output of this C code? #include void foo(int*); int main() { int i = 10, *p = &i; foo(p++); } void foo(int *p) { printf("%d n", *p); }

A. 10
B. Some garbage value
C. Compile time error
D. Segmentation fault
Answer» B. Some garbage value
Discussion
62.

Which of the following is correct about the first parameter of the main function?

A. First argument is of int type
B. Stores the count of command line arguments
C. First argument is non-negative
D. All of the mentioned
Answer» E.
Discussion
63.

Which of the following is correct to interpret Hello World as a single argument? 1. $ ./output 'Hello World' 2. $ ./output Hello World

A. Only 1
B. Only 2
C. Both 1 and 2
D. Neither 1 nor 2
Answer» D. Neither 1 nor 2
Discussion
64.

What does the second parameter of the main function represent?

A. Number of command line arguments
B. List of command line arguments
C. Dictionary of command line arguments
D. Stack of command line arguments
Answer» C. Dictionary of command line arguments
Discussion
65.

What is the signature of math in function using command line arguments?

A. int main(int argc, char const *argv[]);
B. int main(int argc, char const **argv);
C. int main(int argc, char **argv);
D. all of the mentioned
Answer» E.
Discussion
66.

What does the first parameter of the main function represent?

A. Number of command line arguments
B. List of command line arguments
C. Dictionary of command line arguments
D. Stack of command line arguments
Answer» B. List of command line arguments
Discussion
67.

Which is the correct way of handling arguments with spaces?

A. Use single quotes
B. Either single or double quotes
C. Use double quotes
D. There is no way of handling arguments with space
Answer» C. Use double quotes
Discussion
68.

Which of the following gives the name of the program if the second parameter to the main fucntion is char **argv?

A. argv[3]
B. argv[1]
C. argv[0]
D. argv[2]
Answer» D. argv[2]
Discussion
69.

Which character is used to separate different arguments?

A. #
B. $
C. space
D. |
Answer» D. |
Discussion
70.

Which of the following is correct about the second parameter of the main function?

A. Second parameter is an array of character pointers
B. First string of the list is the name of the program s output fle
C. The string in the list are separated by space in the terminal
D. All of the mentioned
Answer» E.
Discussion