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Pointers and References in C++ MCQ question and answer with solution | C++ Programimg MCQs

Learn Pointers and References in C++ MCQ Questions and answers with easy and logical explanations in C++ Programimg. Pointers and References in C++ MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-3 section-1

21
What is the correct way to pass a pointer to a function in C++?
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Answer: Option A
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22
What is a memory leak in C++?
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Answer: Option D
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23
What is the purpose of the 'delete' keyword in C++?
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Answer: Option C
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24
What does the 'nullptr' keyword signify when used as a pointer value in C++?
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Answer: Option B
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25
What is a pointer arithmetic in C++?
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Answer: Option C
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26
What is the purpose of the 'this' pointer in C++?
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Answer: Option D
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27
What is the output of the following code: char str[] = "Hello"; cout << sizeof(str); in C++?
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Answer: Option D
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28
What does the 'sizeof' operator return when used with a pointer variable in C++?
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Answer: Option B
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29
What is the purpose of the 'const' keyword in a pointer declaration in C++?
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Answer: Option B
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30
What is the output of the following code: int arr[3] = {1, 2, 3}; cout << *(arr + 2); in C++?
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Answer: Option C
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