OOPS Concepts (5)

33.

Which of the following concepts means waiting until runtime to determine which function to call?

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

Answer: Option C

Explanation:

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34.

Which of the following concepts means wrapping up of data and functions together?

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

Answer: Option B

Explanation:

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35.

Which of the following is correct about class and structure?

A.	class can have member functions while structure cannot.
B.	class data members are public by default while that of structure are private.
C.	Pointer to structure or classes cannot be declared.
D.	class data members are private by default while that of structure are public by default.

Answer: Option D

Explanation:

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36.

Which of the following is correct about function overloading?

A.	The types of arguments are different.
B.	The order of argument is different.
C.	The number of argument is same.
D.	Both A and B.

Answer: Option D

Explanation:

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37.

Which of the following approach is adapted by C++?

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

Answer: Option B

Explanation:

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38.

Which of the following correctly describes overloading of functions?

A.	Virtual polymorphism
B.	Transient polymorphism
C.	Ad-hoc polymorphism
D.	Pseudo polymorphism

Answer: Option C

Explanation:

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39.

Which of the following statement is correct?

A.	A constructor is called at the time of declaration of an object.
B.	A constructor is called at the time of use of an object.
C.	A constructor is called at the time of declaration of a class.
D.	A constructor is called at the time of use of a class.

Answer: Option A

Explanation:

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40.

Which of the following concepts means adding new components to a program as it runs?

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

Answer: Option D

Explanation:

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