C++ interview questions part 41
C++ interview questions part 41
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Total Questions: 20
1. What is the header file for vector permutation?
Correct Answer is : prototype
2. How many parameters are required for next_permutation?
Correct Answer is : make the entity visible only to that block
3. To which does the function pointer point to?
Correct Answer is : Portability
4. What will we not do with function pointers?
Correct Answer is : facet object
5. What is the default calling convention for a compiler in c++?
Correct Answer is : 6
6. What is the mandatory part to present in function pointers?
Correct Answer is : 65535
7. which of the following can be passed in function pointers?
Correct Answer is : global locale
8. What is the meaning of the following declaration? int(*ptr[5])();
Correct Answer is : Handle formatting and parsing of monetary values
9. The void pointer can point to which type of objects?
Correct Answer is : #define
10. When does the void pointer can be dereferenced?
Correct Answer is : #
11. The pointer can point to any variable that is not declared with which of these?
Correct Answer is : 2
12. A void pointer cannot point to which of these?
Correct Answer is : #include
13. What we can’t do on a void pointer?
Correct Answer is : scripted directive
14. What does the following statement mean? int (*fp)(char*)
Correct Answer is : algorithm
15. The operator used for dereferencing or indirection is ____
Correct Answer is : Type specific
16. Choose the right option string* x, y;
Correct Answer is : All of the mentioned
17. Which one of the following is not a possible state for a pointer.
Correct Answer is : 2z
18. Which of the following is illegal?
Correct Answer is : 45331
19. What will happen in this code? int a = 100, b = 200; int *p = &a, *q = &b; p = q;
Correct Answer is : 45357
20. The correct statement for a function that takes pointer to a float, a pointer to a pointer to a char and returns a pointer to a pointer to a integer is
Correct Answer is : 3 and 6
