OOPS Concepts (3)

17.

Which of the following is not a type of inheritance?

A.	Multiple
B.	Multilevel
C.	Distributive
D.	Hierarchical

Answer: Option C

Explanation:

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18.

Which of the following are available only in the class hierarchy chain?

A.	Public data members
B.	Private data members
C.	Protected data members
D.	Member functions

Answer: Option C

Explanation:

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19.

What happens if the base and derived class contains definition of a function with same prototype?

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

Explanation:

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20.

Which of the following is correct about the statements given below?

All operators can be overloaded in C++.
We can change the basic meaning of an operator in C++.

A.	Only I is true.
B.	Both I and II are false.
C.	Only II is true.
D.	Both I and II are true.

Answer: Option B

Explanation:

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21.

Which of the following is a mechanism of static polymorphism?

A.	Operator overloading
B.	Function overloading
C.	Templates
D.	All of the above

Answer: Option D

Explanation:

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22.

Which of the following ways are legal to access a class data member using this pointer?

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

Answer: Option A

Explanation:

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23.

Which of the following factors supports the statement that reusability is a desirable feature of a language?

A.	It decreases the testing time.
B.	It lowers the maintenance cost.
C.	It reduces the compilation time.
D.	Both A and B.

Answer: Option D

Explanation:

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24.

Which of the following concepts is used to implement late binding?

A.	Virtual function
B.	Operator function
C.	Const function
D.	Static function

Answer: Option A

Explanation:

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OOPS Concepts (3)

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