C++ Online Exam-Quiz1 1. Which of the following concepts of OOPS means exposing only necessary information to client? Encapsulation Abstraction Data hiding Data binding 2. Which of the following statements is correct? Base class pointer cannot point to derived class. Pointer to derived class cannot be created. Derived class pointer cannot point to base class Pointer to base class cannot be created. 3. Which of the following statement is correct? Class is an instance of object. Object is an instance of a class. Class is an instance of data type Object is an instance of data type. 4. Which of the following term is used for a function defined inside a class? Member function Member Variable Class function Classic function 5. Which of the following approach is adapted by C++? Top-down Left-right Right-left Bottom-up / Top- Down 6. Which of the following concepts provides facility of using object of one class inside another class? Encapsulation Inheritance Abstraction Composition 7. Which of the following correctly describes overloading of functions? Virtual polymorphism Transient polymorphism Ad-hoc polymorphism Pseudo polymorphism 8. Which of the following concepts means adding new components to a program as it runs? Data hiding Dynamic typing Dynamic binding Dynamic loading 9. How many types of polymorphisms are supported by C++? 1 2 3 7 10. Which of the following is correct about function overloading? The types of arguments are different. The order of argument is different. The number of argument is same. Both A and B. 11. cout is a/an __________ . operator function object macro 12. Which of the following statement is correct? A constructor is called at the time of declaration of an object. A constructor is called at the time of use of a class. A constructor is called at the time of declaration of a class. A constructor is called at the time of use of an object. 13. Which of the following concepts means determining at runtime what method to invoke? Data hiding Dynamic Typing Dynamic binding Dynamic loading 14. Which of the following cannot be friend? Object Function Class Operator function 15. Which of the following is an abstract data type? int double string Class 16. Which of the following is not the member of class? Friend function Static function Const function Virtual function 17. How many instances of an abstract class can be created? 1 5 13 0 18. Which of the following concept of oops allows compiler to insert arguments in a function call if it is not specified? Call by value Call by reference Default arguments Call by pointer 19. Which of the following is not a type of constructor? Copy constructor Friend constructor Default constructor Parameterized constructor 20. Why reference is not same as a pointer? A reference can never be null. A reference once established cannot be changed. Reference doesn’t need an explicit dereferencing mechanism. All of the above. Loading … Question 1 of 20
