C++ MCQs with answers Page - 123

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Q. To ensure that every object in the array receives a destructor call, always delete memory allocated as an array with operator __________ .

  • (A) destructor
  • (B) New[]
  • (C) delete[]
  • (D) Free()

A

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Q. Which of the following statement is correct whenever an object goes out of scope?

  • (A) The default constructor of the object is called.
  • (B) The parameterized destructor is called.
  • (C) The default destructor of the object is called.
  • (D) None of the above.

A

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Q. Which allows you to create a derived class that inherits properties from more than one base class?

  • (A) Multilevel inheritance
  • (B) Multiple inheritance
  • (C) Hybrid Inheritance
  • (D) Hierarchical Inheritanc

A

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Q. Which feature in OOP allows reusing code?

  • (A) Polymorphism
  • (B) Inheritance
  • (C) Encapsulation
  • (D) Data hiding

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Q. The mechanism of deriving a new class from another class

  • (A) Polymorphism
  • (B) Inheritance
  • (C) Encapsulation
  • (D) Data hiding

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Q. A derived class with only one base class

  • (A) Multilevel inheritance
  • (B) Multiple inheritance
  • (C) Single inheritance
  • (D) Hierarchical Inheritance

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Q. The mechanism of deriving one base class with more than one derived classes

  • (A) Multilevel inheritance
  • (B) Multiple inheritance
  • (C) Hybrid Inheritance
  • (D) Hierarchical Inheritance

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Q. The duplication of inherited members due to the multiple paths can be avoided by making a common base class is called

  • (A) Abstract class
  • (B) Virtual base class
  • (C) Multiple inheritance
  • (D) Nesting of classes

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Q. The class that is not used to create object

  • (A) Abstract class
  • (B) Virtual base class
  • (C) Multiple inheritance
  • (D) Nesting of classes

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Q. The mechanism of giving special meaning to an operator

  • (A) Operator overloading
  • (B) Function overloading
  • (C) Constructor overloading
  • (D) Virtual function

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