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  • OOPS Concepts - General Questions
51. 

Which of the following statements is correct in C++?
A. Classes cannot have data as protected members.
B. Structures can have functions as members.
C. Class members are public by default.
D. Structure members are private by default.
52. 

Which of the following is used to make an abstract class?
A. Declaring it abstract using static keyword.
B. Declaring it abstract using virtual keyword.
C. Making at least one member function as virtual function.
D. Making at least one member function as pure virtual function.
53. 

Which of the following access specifier is used as a default in a class definition?
A. protected
B. public
C. private
D. friend
54. 

What is correct about the static data member of a class?
A. A static member function can access only static data members of a class.
B. A static data member is shared among all the object of the class.
C. A static data member can be accessed directly from main().
D. Both A and B.
55. 

Which of the following provides a reuse mechanism?
A. Abstraction
B. Inheritance
C. Dynamic binding
D. Encapsulation