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  • Question
  • Which of the following concepts is used to implement late binding?


  • Options
  • A. Virtual function
  • B. Operator function
  • C. Const function
  • D. Static function

  • Correct Answer
  • Virtual function 


  • OOPS Concepts problems


    Search Results


    • 1. Which of the following header file includes definition of cin and cout?

    • Options
    • A. istream.h
    • B. ostream.h
    • C. iomanip.h
    • D. iostream.h
    • Discuss
    • 2. cout is a/an __________ .

    • Options
    • A. operator
    • B. function
    • C. object
    • D. macro
    • Discuss
    • 3. Which of the following statement is correct?

    • Options
    • A. A constructor is called at the time of declaration of an object.
    • B. A constructor is called at the time of use of an object.
    • C. A constructor is called at the time of declaration of a class.
    • D. A constructor is called at the time of use of a class.
    • Discuss
    • 4. Which of the following access specifier is used as a default in a class definition?

    • Options
    • A. protected
    • B. public
    • C. private
    • D. friend
    • Discuss
    • 5. Which of the following is not a type of constructor?

    • Options
    • A. Copy constructor
    • B. Friend constructor
    • C. Default constructor
    • D. Parameterized constructor
    • Discuss
    • 6. What happens if the base and derived class contains definition of a function with same prototype?

    • Options
    • A. Compiler reports an error on compilation.
    • B. Only base class function will get called irrespective of object.
    • C. Only derived class function will get called irrespective of object.
    • D. Base class object will call base class function and derived class object will call derived class function.
    • Discuss
    • 7. Which of the following statements regarding inline functions is correct?

    • Options
    • A. It speeds up execution.
    • B. It slows down execution.
    • C. It increases the code size.
    • D. Both A and C.
    • Discuss
    • 8. Which one of the following options is correct about the statement given below? The compiler checks the type of reference in the object and not the type of object.

    • Options
    • A. Inheritance
    • B. Polymorphism
    • C. Abstraction
    • D. Encapsulation
    • Discuss
    • 9. Which of the following is the correct class of the object cout?

    • Options
    • A. iostream
    • B. istream
    • C. ostream
    • D. ifstream
    • Discuss
    • 10. Which one of the following is correct about the statements given below?

      1. All function calls are resolved at compile-time in Procedure Oriented Programming.
      2. All function calls are resolved at compile-time in OOPS.

    • Options
    • A. Only II is correct.
    • B. Both I and II are correct.
    • C. Only I is correct.
    • D. Both I and II are incorrect.
    • Discuss


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