OOPs Concepts

[A]. Base class pointer cannot point to derived class.
[B]. Derived class pointer cannot point to base class.[C]. Pointer to derived class cannot be created.
[D]. Pointer to base class cannot be created.

Answer: Option B

[A]. Top-down
[B]. Bottom-up[C]. Right-left
[D]. Left-right

Answer: Option B

[A]. Call by value
[B]. Call by reference[C]. Default arguments
[D]. Call by pointer

Answer: Option C

 

[A]. Data hiding
[B]. Dynamic typing[C]. Dynamic binding
[D]. Dynamic loading

Answer: Option D

[A]. Data hiding
[B]. Dynamic casting[C]. Dynamic binding
[D]. Dynamic loading

Answer: Option C

[A]. C++ allows static type checking.
[B]. C++ allows dynamic type checking.[C]. C++ allows static member function be of type const.
[D]. Both A and B.

Answer: Option D

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

Answer: Option C

[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.

Answer: Option D

[A]. Data hiding
[B]. Dynamic Typing[C]. Dynamic binding
[D]. Dynamic loading

Answer: Option C

[A]. A reference can never be null.
[B]. A reference once established cannot be changed.[C]. Reference doesn’t need an explicit dereferencing mechanism.
[D]. All of the above.

Answer: Option D