C++ MCQs with answers Page - 75

Here, you will find a collection of MCQ questions on C++. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. The Runtime polymorphism is done using:

  • (A) User define function
  • (B) Function
  • (C) Virtual function
  • (D) object

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Q. In Object-oriented programming, the problem is divided into _______

  • (A) structures
  • (B) modules
  • (C) functions
  • (D) classes & objects

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Q. A class is a collection of ________ and _________

  • (A) data-members, member functions and main()
  • (B) data-members, member functions, main() and include statements
  • (C) data-members & member functions
  • (D) None of the above

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Q. A class defined within another class in c++ is called

  • (A) nested class
  • (B) interface
  • (C) abstract class
  • (D) inheritance

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Q. The major goal of inheritance in c++ is

  • (A) To hide the details of base class.
  • (B) To extend the capabilities of a class
  • (C) To help modular programming.
  • (D) To facilitate the conversion of data types.

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Q. Mechanism of deriving a class from another derived class is known as_______

  • (A) Multilevel Inheritance
  • (B) Single Inheritance
  • (C) Polymorphism
  • (D) Abstract class

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Q. Which of the following statements is NOT valid about operator overloading?

  • (A) Only existing operators can be overloaded
  • (B) Overloaded operator must have at least one operand of its class type
  • (C) The overloaded operators follow the syntax rules of the original operator
  • (D) none of the above

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Q. Which of the statements is true in a protected derivation of a derived class from a base class?

  • (A) Private members of the base class become protected members of the derived class
  • (B) Protected members of the base class become public members of the derived class
  • (C) Public members of the base class become protected members of the derived class
  • (D) Protected derivation does not affect private and protected members of the derived class

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Q. A class is made abstract by declaring at least one of its functions as?

  • (A) impure abstract function
  • (B) pure abstract function
  • (C) pure virtual function
  • (D) impure virtual function

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Q. A pure virtual function is specified by placing?

  • (A) 0
  • (B) 1
  • (C) -1
  • (D) infinite

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