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