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- Question
Can you combine the following two statements into one?
char *p; p = (char*) malloc(100);
Options- A. char p = *malloc(100);
- B. char *p = (char) malloc(100);
- C. char *p = (char*)malloc(100);
- D. char *p = (char *)(malloc*)(100);
- Correct Answer
- char *p = (char*)malloc(100);
- 1. Bitwise can be used to reverse a sign of a number.
Options- A. Yes
- B. No Discuss
- 2. 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
- 3. Bitwise can be used to generate a random number.
Options- A. Yes
- B. No Discuss
- 4. 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
- 5. Bitwise & can be used to check if more than one bit in a number is on.
Options- A. True
- B. False Discuss
- 6. The preprocessor can trap simple errors like missing declarations, nested comments or mismatch of braces.
Options- A. True
- B. False Discuss
- 7. It is necessary that a header files should have a .h extension?
Options- A. Yes
- B. No Discuss
- 8. Bitwise | can be used to set multiple bits in number.
Options- A. Yes
- B. No Discuss
- 9. Bitwise & can be used to check if a bit in number is set or not.
Options- A. True
- B. False Discuss
- 10. A pointer union CANNOT be created
Options- A. Yes
- B. No Discuss
More questions
Correct Answer: No
Correct Answer: Yes
Correct Answer: No
Correct Answer: False
Correct Answer: True
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.
Correct Answer: No
Explanation:
No, the header files have any kind of extension.
Correct Answer: Yes
Correct Answer: True
Correct Answer: No
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