Quiz  /  C++ Polymorphism MCQ Quiz Questions and answers

  • 1. 
    The mechanism of given special meaning to an operator is called ..........

  • Operator Overloading
  • Function Overloading
  • Object
  • Inheritance

  • 2. 
    A function having more than one distinct meaning is called ........... function.

  • prototype
  • parameter
  • overloaded
  • polymorphism

  • 3. 
    Which of the following operator can be overloaded?

  • sizeof()
  • plus(+)
  • membership operator(.)
  • ::

  • 4. 
    Binary operators overloaded through a member function take one .........

  • complete
  • default
  • implicit
  • explicit

  • 5. 
    Strcat() function is used for ........

  • string calculation
  • substring
  • string comparision
  • string concatenation

  • 6. 
    The mechanism of giving special meaning to an operator is called as ..........

  • data overloading
  • operator overloading
  • function overloading
  • variable overloading

  • 7. 
    The return type of overloaded functions ...........

  • must be same
  • must be different
  • may or may not be same
  • none of the given

  • 8. 
    ........ promotions are purely compiler oriented.

  • Constant
  • Floating point
  • Character
  • Integral

  • 9. 
    The ability of a fucntion to process the message or data in more than one form is called

  • Function type
  • Inline fucntions
  • Recursive function
  • Function overloading

  • 10. 
    The operator function must be ........

  • a member function
  • a friend function
  • either member or friend function
  • none of these

  • 11. 
    The word polymorphism means ..........

  • single form
  • two forms
  • many programs
  • many shapes

  • 12. 
    Which one of the following operators cannot be overloaded?

  • ::
  • - -
  • +
  • ++

  • 13. 
    In function overloading do not use the .......... function name for two unrelated functions.

  • similiar
  • same
  • complement
  • different

  • 14. 
    Polymorphism is achieved through .........

  • poly programming
  • inheritance
  • overloading
  • encapsulation

  • 15. 
    Data abstraction is achieved in C++ through ..........

  • polymorphism
  • inheritance
  • encapsulation
  • overloading
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