Point out the error in the program. #include<stdio.h> int main() { const in

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Question

Point out the error in the program.

#include<stdio.h>

int main()
{
    const int k=7;
    int *const q=&k;
    printf("%d", *q);
    return 0;
}

Options
A. Error: RValue required
B. Error: Lvalue required
C. Error: cannot convert from 'const int *' to 'int *const'
D. No error

Correct Answer

No error

Explanation

No error. This will produce 7 as output.

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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Complicated Declarations Constants Declarations and Initializations Expressions Floating Point Issues Input / Output Library Functions Pointers Strings Arrays Bitwise Operators C Preprocessor Command Line Arguments Control Instructions Functions Memory Allocation Structures, Unions, Enums Variable Number of Arguments

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Discussion

Point out the error in the program.
#include<stdio.h> int main() { const int k=7; int const q=&k; printf("%d", q); return 0; }

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Point out the error in the program. #include<stdio.h> int main() { const int k=7; int *const q=&k; printf("%d", *q); return 0; }

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Point out the error in the program.
#include<stdio.h> int main() { const int k=7; int const q=&k; printf("%d", q); return 0; }