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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-2 section-1

11
What is the purpose of a null pointer in C++?
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Answer: Option D
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12
What is the output of the following code: int arr[3] = {1, 2, 3}; int *ptr = arr; cout << *(ptr + 1); in C++?
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Answer: Option C
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13
What is a dangling pointer in C++?
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Answer: Option B
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14
What is the address-of operator in C++?
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Answer: Option D
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15
What is the output of the following code: int arr[] = {1, 2, 3}; cout << *arr; in C++?
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Answer: Option A
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16
How do you declare a constant pointer to an integer variable in C++?
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Answer: Option D
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17
What is a pointer to a pointer known as in C++?
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Answer: Option C
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18
What does the 'new' keyword do in C++?
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Answer: Option B
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19
What is a null reference in C++?
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Answer: Option C
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20
What is the output of the following code: int x = 10; int *ptr = &x; cout << *ptr << " " << ptr; in C++?
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Answer: Option D
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