Discussion
Home ‣ C Programming ‣ Constants See What Others Are Saying!
- Question
Point out the error in the program.
#include<stdio.h> int main() { const int x; x=128; printf("%d\n", x); return 0; }
Options- A. Error: unknown data type const int
- B. Error: const variable have been initialised when declared.
- C. Error: stack overflow in x
- D. No error
- Correct Answer
- Error: const variable have been initialised when declared.
ExplanationA const variable has to be initialized when it is declared. later assigning the value to the const variable will result in an error "Cannot modify the const object".Hence Option B is correct
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.
Comments
There are no comments.
More in C Programming:
Programming
Copyright ©CuriousTab. All rights reserved.