OOPs Concepts

[A]. iostream
[B]. istream[C]. ostream
[D]. ifstream

Answer: Option C

[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.

Answer: Option D

[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.

Answer: Option D

[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.

Answer: Option B

Question: cout is a/an __________ .
[A]. operator
[B].function
[C]. object[D]. macro

Answer: Option C

[A]. Abstraction
[B]. Inheritance[C]. Dynamic binding
[D]. Encapsulation

Answer: Option B

[A]. Missing semicolon in statement in main().
[B]. A problem in calling function.[C]. A syntax error.
[D]. A run-time error.

Answer: Option D

[A]. this->x
[B]. this.x[C]. *this.x
[D]. *this-x

Answer: Option A

[A]. Inheritance
[B]. Polymorphism[C]. Abstraction
[D]. Encapsulation

Answer: Option B

[A]. It cannot have a destructor.
[B]. It cannot have a constructor.[C]. It is not allowed.
[D]. Both A and B.

Answer: Option D