Updated C++ MCQS Questions and Answers – Learn to More

C++ Mcqs Questions and Answers: C++ is more one of the most popular Programming language for interview and has generic Object Oriented Programming(OOP) features. C++ used to develop different applications in different categories such as Reservation system, Management system, Medical fields, Inventory management System and games etc.

In this post we are listing most useful important Questions with Answers about C++ Programming Language.

C++ MCQS Question and Answers

Q. How many types are Polymorphism in C++.?

  • 3
  • 2
  • 1
  • 4
2

Q.  Which of the follow class allows to declare only one object of it ?

  • Virtual class
  • Friend class
  • Singleton class
  • Abstract class
Singleton class

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Q. Method overriding can be prevented by using the final as a modifier at————,

  • The start of derived class
  • The start of the class
  • The start of method declaration
  • THE START OF DRIVED CLASS method in the derived class
The start of method declaration

Q. which of the following function must use reference?

  • Copy constructor
  • Destructor
  • Parameterized constructor
  • Assignment operator function
Copy Constructor

Q. Assigning one more function body to the same name is called———-?

Function overloading

Q. How the template class is different from the normal class?

  • Template class saves system memory
  • Template class helps in making genetic classes
  • All of the mentioned
  • Template class generate object of classes based on the template type
All of the mentioned

Q. While overloading binary operators using member function ,it requires——-argument/s.

  • Zero
  • One
  • Two
  • Three
One

Q. How access specifiers in class help in abstraction?

  • They help in keeping things together
  • Abstraction concept is not used IN CLASSES
  • THEY DOES NOT help in any way
  • They allows us to show only required things to outer world
They allows us to show only required things to outer worl

Q. Which of the following is not correct for virtual function in C++?

  • Virtual function can be static
  • Must be declared in public section of class
  • Virtual function is defined in base class.
  • Virtual function should be accessed using pointers.
Virtual function can be static

Q. What does modularity mean?

  • Hiding part of program
  • Subdividing program into small independent parts
  • Overriding parts of program
  • Wrapping things into single unit
Subdividing program into small independent parts

Q. When a virtual function is redefined by the derived class, it is called——–?

  • Overloading
  • Overriding
  • Rewriting
  • All of these
Overriding

Q.Which symbol is used as an address operator?

  • *
  • &&
  • &
  • $
&

Q. if base class has constructor with arguments, then it is———-for the derived class to have arguments to base class constructor.

  • Optional
  • Mandatory
  • Compiler dependent
  • Error
Mandatory

Q. How compile-time polymorphisms are implemented in C++?

  • Using inheritance
  • Using virtual function
  • Using templates
  • Using inheritance and virtual function
Using templates

Q. The associativity of which of the following operators is left to right in C++?

  • Logical not
  • Unary operator
  • Array element access
  • addressof
Array element access

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