C++ MCQs with answers Page - 114

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. What do container adapter provide to interface?

  • (A) Restricted interface
  • (B) More interface
  • (C) No interface
  • (D) None

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Q. What does the sequence adaptor provide?

  • (A) Insertion
  • (B) Deletion
  • (C) Interface to sequence container
  • (D) None

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Q. At which time does the static_cast can be applied?

  • (A) Compile-time construct
  • (B) Runtime construct
  • (C) Both Compile-time & Runtime construct
  • (D) None

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Q. String class have a concat() function that is used to _____________________

  • (A) Replace old string by new string
  • (B) Add two strings
  • (C) Append one string at end of another string
  • (D) Remove a string from end of one string

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Q. Which among the following is/are type(s) of this pointer?

  • (A) const
  • (B) volatile
  • (C) const or volatile
  • (D) int

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Q. Which is the pointer which denotes the object calling the member function?

  • (A) Variable pointer
  • (B) This pointer
  • (C) Null pointer
  • (D) Zero pointer

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Q. Which property is shown most when upcasting is used?

  • (A) Code reusability
  • (B) Code efficiency
  • (C) Complex code simple syntax
  • (D) Encapsulation

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Q. If multiple inheritance is implemented, which upcasting will be correct?

  • (A) Upcast to first base class listed in inheritance
  • (B) Upcast to any base class
  • (C) Upcast to send base class listed in inheritance
  • (D) Upcast is not possible

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Q. Which among the following is a mandatory condition for downcasting?

  • (A) It must not be done explicitly
  • (B) It must be done implicitly
  • (C) It must be done explicitly
  • (D) It can’t be done explicitly

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Q. Which container provides random access iterators?

  • (A) vector
  • (B) deque
  • (C) sort
  • (D) both vector & deque

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