What will be the output of the program (myprog.c) given below if it is executed

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Question

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"

Correct Answer

More questions

1. By default structure variable will be of auto storage class
Options
A. Yes
B. No

Discuss

Correct Answer: Yes

2. Bitwise can be used to reverse a sign of a number.
Options
A. Yes
B. No

Discuss

Correct Answer: No

3. Is it necessary that in a function which accepts variable argument list there should be at least be one fixed argument?
Options
A. Yes
B. No

Discuss

Correct Answer: Yes

4. Bitwise can be used to generate a random number.
Options
A. Yes
B. No

Discuss

Correct Answer: No

5. A function that receives variable number of arguments should use va_arg() to extract the last argument from the variable argument list.
Options
A. True
B. False

Discuss

Correct Answer: False

6. Bitwise & can be used to check if more than one bit in a number is on.
Options
A. True
B. False

Discuss

Correct Answer: True

7. The preprocessor can trap simple errors like missing declarations, nested comments or mismatch of braces.
Options
A. True
B. False

Discuss

Correct Answer: False

Explanation:

False, the preprocessor cannot trap the errors, it only replaces the macro with the given expression. But the compiler will detect errors.

8. It is necessary that a header files should have a .h extension?
Options
A. Yes
B. No

Discuss

Correct Answer: No

Explanation:

No, the header files have any kind of extension.

9. Bitwise | can be used to set multiple bits in number.
Options
A. Yes
B. No

Discuss

Correct Answer: Yes

10. Bitwise & can be used to check if a bit in number is set or not.
Options
A. True
B. False

Discuss

Correct Answer: True

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Discussion

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; }

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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; }

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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; }