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