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Command Line Arguments Online Exam Quiz

Important questions about Command Line Arguments. Command Line Arguments MCQ questions with answers. Command Line Arguments exam questions and answers for students and interviews.

1. What will be the output of the program #include<stdio.h> void fun(int); int main(int argc) { printf("%d ", argc); fun(argc); return 0; } void fun(int i) { if(i!=4) main(++i); }

Options

A : 1 2 3

B : 1 2 3 4

C : 2 3 4

D : 1

2. What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog friday tuesday sunday /* myprog.c */ #include<stdio.h> int main(int argc, char *argv[]) { printf("%c", *++argv[1]); return 0; }

Options

A : r

B : f

C : m

D : y

3. What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog one two three /* myprog.c */ #include<stdio.h> int main(int argc, char **argv) { printf("%c\n", **++argv); return 0; }

Options

A : myprog one two three

B : myprog one

C : o

D : two

4. What will be the output of the program (sample.c) given below if it is executed from the command line (Turbo C in DOS)? cmd> sample 1 2 3 /* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { int j; j = argv[1] + argv[2] + argv[3]; printf("%d", j); return 0; }

Options

A : 6

B : sample 6

C : Error

D : Garbage value

5. What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> sample 1 2 3 cmd> sample 2 2 3 cmd> sample 3 2 3 /* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { printf("%s\n", argv[0]); return 0; }

Options

A : sample 3 2 3

B : sample 1 2 3

C : sample

D : Error

6. What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> sample friday tuesday sunday /* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { printf("%c", *++argv[2] ); return 0; }

Options

A : s

B : f

C : u

D : r

7. What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog one two three /* myprog.c */ #include<stdio.h> #include<stdlib.h> int main(int argc, char **argv) { int i; for(i=1; i<=3; i++) printf("%u\n", &argv[i]); return 0; } If the first value printed by the above program is 65517, what will be the rest of output?

Options

A : 65525 65531

B : 65519 65521

C : 65517 65517

D : 65521 65525

8. What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> sample monday tuesday wednesday thursday /* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { while(--argc>0) printf("%s", *++argv); return 0; }

Options

A : sample monday tuesday wednesday thursday

B : monday tuesday wednesday thursday

C : monday tuesday thursday

D : tuesday

9. What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog 10 20 30 /* myprog.c */ #include<stdio.h> int main(int argc, char **argv) { int i; for(i=0; i<argc; i++) printf("%s\n", argv[i]); return 0; }

Options

A : 10 20 30

B : myprog 10 20

C : myprog 10 20 30

D : 10 20

10. What will be the output of the program (sample.c) given below if it is executed from the command line (turbo c under DOS)? cmd> sample Good Morning /* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { printf("%d %s", argc, argv[1]); return 0; }

Options

A : 3 Good

B : 2 Good

C : Good Morning

D : 3 Morning

1. What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> sample Jan Feb Mar /* sample.c */ #include<stdio.h> #include<dos.h> int main(int arc, char *arv[]) { int i; for(i=1; i<_argc; i++) printf("%s ", _argv[i]); return 0; }

Options

A : No output

B : sample Jan Feb Mar

C : Jan Feb Mar

D : Error

1. What will be the output of the program if it is executed like below? cmd> sample /* sample.c */ #include<stdio.h> int main(int argc, char **argv) { printf("%s\n", argv[argc-1]); return 0; }

Options

A : 0

B : sample

C : samp

D : No output

3. What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> sample friday tuesday sunday /* sample.c */ #include<stdio.h> int main(int sizeofargv, char *argv[]) { while(sizeofargv) printf("%s", argv[--sizeofargv]); return 0; }

Options

A : sample friday tuesday sunday

B : sample friday tuesday

C : sunday tuesday friday sample

D : sunday tuesday friday

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

Options

A : SAMPLE.C

B : C:\TC\MYPROC.EXE

C : C:\TC

D : Error

8. What will be the output of the program in Turbo C? #include<stdio.h> int main(int argc, char *argv, char *env[]) { int i; for(i=1; i<argc; i++) printf("%s\n", env[i]); return 0; }

Options

A : List of all environment variables

B : List of all command-line arguments

C : count of command-line arguments

D : Error: cannot have more than two arguments in main()

10. What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog 1 2 3 /* myprog.c */ #include<stdio.h> #include<stdlib.h> int main(int argc, char **argv) { int i, j=0; for(i=0; i<argc; i++) j = j+atoi(argv[i]); printf("%d\n", j); return 0; }

Options

A : 123

B : 6

C : Error

D : "123"

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