C++ MCQs with answers Page - 129

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Q. Which of the following statements are correct for a static member function? 1. It can access only other static members of its class. 2. It can be called using the class name, instead of objects.

  • (A) Only 1 is correct.
  • (B) Only 2 is correct.
  • (C) Both 1 and 2 are correct.
  • (D) Both 1 and 2 are incorrect.

A

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Q. Which of the following means "The use of an object of one class in definition of another class"?

  • (A) Encapsulation
  • (B) Inheritance
  • (C) Composition
  • (D) Abstraction

A

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Q. Which of the following statements is correct when a class is inherited publicly?

  • (A) Public members of the base class become protected members of derived class.
  • (B) Public members of the base class become private members of derived class.
  • (C) Private members of the base class become protected members of derived class.
  • (D) Public members of the base class become public members of derived class

A

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Q. Which of the following statements is correct about the constructors and destructors?

  • (A) Destructors can take arguments but constructors cannot.
  • (B) Constructors can take arguments but destructors cannot.
  • (C) Destructors can be overloaded but constructors cannot be overloaded.
  • (D) Constructors and destructors can both return a value.

A

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Q. Which of the following statement is correct?

  • (A) C++ enables to define functions that take constants as an argument.
  • (B) We cannot change the argument of the function that that are declared as constant.
  • (C) Both A and B.
  • (D) We cannot use the constant while defining the function.

A

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Q. Which of the following statement is correct?

  • (A) Two functions having same number of argument, order and type of argument can be overloaded if both functions do not have any default argument.
  • (B) Overloaded function must have default arguments.
  • (C) Overloaded function must have default arguments starting from the left of argument list.
  • (D) A function can be overloaded more than once.

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Q. Which of the following statement will be correct if the function has three arguments passed to it?

  • (A) The trailing argument will be the default argument.
  • (B) The first argument will be the default argument.
  • (C) The middle argument will be the default argument.
  • (D) All the argument will be the default argument.

A

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Q. Which of the following statement is incorrect?

  • (A) Default arguments can be provided for pointers to functions.
  • (B) A function can have all its arguments as default.
  • (C) Default argument cannot be provided for pointers to functions.
  • (D) A default argument cannot be redefined in later declaration.

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Q. Which of the following statement is correct?

  • (A) Constructors can have default parameters.
  • (B) Constructors cannot have default parameters.
  • (C) Constructors cannot have more than one default parameter.
  • (D) Constructors can have at most five default parameters.

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Q. Which of the following function / type of function cannot be overloaded?

  • (A) Member function
  • (B) Static function
  • (C) Virtual function
  • (D) Both B and C

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