C++ Online Exam-Quiz3 1. What is correct about the static data member of a class? A static member function can access only static data members of a class. A static data member can be accessed directly from main(). A static data member is shared among all the object of the class. Both A and B. 2. Which inheritance type is used in the class given below? class A : public X, public Y { } Multilevel inheritance Multiple inheritance Hybrid inheritance Hierarchical Inheritance 3. Which of the following operators cannot be overloaded? * [] -> ?: 4. Which of the following access specifier is used as a default in a class definition? friend private public protected 5. Which of the following header file includes definition of cin and cout? iomanip.h istream.h ostream.h iostream.h 6. What will happen if a class is not having any name? It is not allowed. Both A and B. It cannot have a destructor. It cannot have a constructor. 7. Which of the following statements is correct in C++? Structure members are private by default. Classes cannot have data as protected members. Structures can have functions as members. Class members are public by default. 8. Which of the following keyword is used to overload an operator? overload override operator friend 9. Which of the following is not a type of inheritance? Multilevel Hierarchical Class Multiple 10. In which of the following a virtual call is resolved at the time of compilation? Both A and B. From inside the constructor. From inside the main(). From inside the destructor. 11. Which of the following statement is correct? Class is an instance of data type. Object is an instance of data type. Class is an instance of object. Object is an instance of a class. 12. Which of the following provides a reuse mechanism? Dynamic binding Encapsulation Abstraction Inheritance 13. Which one of the following is the correct way to declare a pure virtual function? void Display(void) = 0; virtual void Display(void) = 0; virtual void Display(void){0}; virtual void Display = 0; 14. Which of the following statements regarding inline functions is correct? It increases the code size. It speeds up execution. It slows down execution. Both A and C. 15. Which one of the following is correct about the statements given below? All function calls are resolved at compile-time in Procedure Oriented Programming. All function calls are resolved at compile-time in OOPS. Both I and II are correct. Only I is correct. Both I and II are incorrect. Only II is correct. 16. Which one of the following options is correct? Friend function can access private data members of the class. Friend function can access public data members of the class. Friend function can access protected data members of the class. All of the above. 17. Which of the following is an invalid visibility label while inheriting a class? protected friend private public 18. Which of the following is used to make an abstract class? Making at least one member function as virtual function. Making at least one member function as pure virtual function. Declaring it abstract using virtual keyword. Declaring it abstract using static keyword. Loading … Question 1 of 18
