C++ MCQs with answers Page - 5

Dear candidates you will find MCQ questions of C++ here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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Q. What is a comment in c++?

  • (A) comments are executable
  • (B) comments are parts of the source code disregarded by the compiler
  • (C) comments are executed by the compiler to find the meaning of the comment
  • (D) All of above
💬 Discuss
✅ Correct Answer: (B) comments are parts of the source code disregarded by the compiler

Published by Uday Singh ⭐ 8.97K Points at 08-Jun-2022 06:12 am in C++

Q. How many types of comments are there in c++?

  • (A) 4
  • (B) 3
  • (C) 2
  • (D) 1
💬 Discuss
✅ Correct Answer: (C) 2

Published by Uday Singh ⭐ 8.97K Points at 08-Jun-2022 06:12 am in C++

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

  • (A) .cpp
  • (B) .hg
  • (C) .h
  • (D) .hf
💬 Discuss
✅ Correct Answer: (C) .h

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:50 am in C++

Q. Identify the incorrect constructor type.

  • (A) Friend constructor
  • (B) Default constructor
  • (C) Parameterized constructor
  • (D) Copy constructor
💬 Discuss
✅ Correct Answer: (A) Friend constructor

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:51 am in C++

Q. C++ uses which approach?

  • (A) right -left
  • (B) Top-down
  • (C) left-right
  • (D) bottom -up
💬 Discuss
✅ Correct Answer: (D) bottom -up

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:51 am in C++

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

  • (A) int
  • (B) bool
  • (C) double
  • (D) float
💬 Discuss
✅ Correct Answer: (B) bool

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:51 am in C++

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

  • (A) array arr[10]
  • (B) array{10}
  • (C) int arr[10]
  • (D) int arr
💬 Discuss
✅ Correct Answer: (C) int arr[10]

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:52 am in C++

Q. Size of wchat_t is.

  • (A) 2
  • (B) 4
  • (C) 2 or 4
  • (D) Depends on number of bits in system
💬 Discuss
✅ Correct Answer: (D) Depends on number of bits in system

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:52 am in C++

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

  • (A) *
  • (B) &
  • (C) []
  • (D) &&
💬 Discuss
✅ Correct Answer: (B) &

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:53 am in C++

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

  • (A) ++n
  • (B) n++
  • (C) - -n
  • (D) +n
💬 Discuss
✅ Correct Answer: (A) ++n

Published by Brijesh Goswami ⭐ 9.45K Points at 11-Jun-2022 08:53 am in C++

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