What will be the output of the program? #include<stdio.h> int main() { int

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Question

What will be the output of the program?

#include<stdio.h>

int main()
{
    int x=30, *y, *z;
    y=&x; /* Assume address of x is 500 and integer is 4 byte size */
    z=y;
    *y++=*z++;
    x++;
    printf("x=%d, y=%d, z=%d\n", x, y, z);
    return 0;
}

Options
A. x=31, y=502, z=502
B. x=31, y=500, z=500
C. x=31, y=498, z=498
D. x=31, y=504, z=504

Correct Answer

x=31, y=504, z=504

More questions

1. Bitwise | can be used to set a bit in number.
Options
A. Yes
B. No

Discuss

Correct Answer: Yes

2. Can we have an array of bit fields?
Options
A. Yes
B. No

Discuss

Correct Answer: No

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

Discuss

Correct Answer: Yes

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

Discuss

Correct Answer: No

5. 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

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

Discuss

Correct Answer: No

7. 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

8. 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

9. 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.

10. 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.

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What will be the output of the program?
#include<stdio.h> int main() { int x=30, y, z; y=&x; /* Assume address of x is 500 and integer is 4 byte size / z=y; y++=*z++; x++; printf("x=%d, y=%d, z=%d\n", x, y, z); return 0; }

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What will be the output of the program? #include<stdio.h> int main() { int x=30, *y, *z; y=&x; /* Assume address of x is 500 and integer is 4 byte size */ z=y; *y++=*z++; x++; printf("x=%d, y=%d, z=%d\n", x, y, z); return 0; }

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What will be the output of the program?
#include<stdio.h> int main() { int x=30, y, z; y=&x; /* Assume address of x is 500 and integer is 4 byte size / z=y; y++=*z++; x++; printf("x=%d, y=%d, z=%d\n", x, y, z); return 0; }