C++ MCQs with answers Page - 5

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. Identify the correct extension of the user-defined header file in C++.

  • (A) .cpp
  • (B) .hg
  • (C) .h
  • (D) .hf

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Q. Identify the incorrect constructor type.

  • (A) Friend constructor
  • (B) Default constructor
  • (C) Parameterized constructor
  • (D) Copy constructor

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Q. C++ uses which approach?

  • (A) right -left
  • (B) Top-down
  • (C) left-right
  • (D) bottom -up

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Q. Which of the following data type is supported in C++ but not in C?

  • (A) int
  • (B) bool
  • (C) double
  • (D) float

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Q. Identify the correct syntax for declaring arrays in C++.

  • (A) array arr[10]
  • (B) array{10}
  • (C) int arr[10]
  • (D) int arr

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Q. Size of wchat_t is.

  • (A) 2
  • (B) 4
  • (C) 2 or 4
  • (D) Depends on number of bits in system

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Q. Which of the following is “address of operator”?.

  • (A) *
  • (B) &
  • (C) []
  • (D) &&

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Q. identify the correct example for a pre-increment operator.

  • (A) ++n
  • (B) n++
  • (C) - -n
  • (D) +n

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Q. Which of the following loops is best when we know the number of iterations?

  • (A) While loop
  • (B) Do while
  • (C) For loop
  • (D) All of the above

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Q. Identify the scope resolution operator.

  • (A) :
  • (B) ::
  • (C) ?
  • (D) None

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