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Welcome to the Pointers,Arrays and Structures in C++ MCQs Page

Dive deep into the fascinating world of Pointers,Arrays and Structures in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Pointers,Arrays and Structures in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Pointers,Arrays and Structures in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.

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Check out the MCQs below to embark on an enriching journey through Pointers,Arrays and Structures in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Pointers,Arrays and Structures in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Pointers,Arrays and Structures in C++ MCQs | Page 5 of 17

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Q41.
What is the output of this program?
    #include <iostream>
    using namespace std;
    void swap(int &a, int &b);
    int main()
    {
        int a = 5, b = 10;
        swap(a, b);
        cout << "In main " << a << b;
        return 0;
    }
    void swap(int &a, int &b)
    {
        int temp;
        temp = a;
        a = b;
        b = temp;
        cout << "In swap " << a << b;
    }
Discuss
Answer: (a).In swap 105 In main 105
Discuss
Answer: (b).Alternate name for the variable
Q43.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int main()
    {
        int a = 9;
        int & aref = a;
        a++;
        cout << "The value of a is " << aref;
        return 0;
    }
Discuss
Answer: (b).10
Q44.
What is the output of this program?
    #include <iostream>
    using namespace std;
    void print (char * a)
    {
        cout << a << endl;
    }
    int main ()
    {
        const char * a = "Hello world";
        print(const_cast<char *> (a) );
        return 0;
    }
Discuss
Answer: (a).Hello world
Q45.
Identify the correct sentence regarding inequality between reference and pointer.
Discuss
Answer: (a).we can not create the array of reference
Q46.
Void pointer can point to which type of objects?
Discuss
Answer: (d).all of the mentioned
Discuss
Answer: (b).when it cast to another type of object
Q48.
The pointer can point to any variable that is not declared with which of these?
Discuss
Answer: (c).both const & volatile
Q49.
A void pointer cannot point to which of these?
Discuss
Answer: (d).none of the mentioned
Q50.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int func(void *Ptr);
    int main()
    {
        char *Str = "abcdefghij";
        func(Str);
        return 0;
    }
    int func(void *Ptr)
    {
        cout << Ptr;
        return 0;
    }
Discuss
Answer: (b).address of string β€œabcdefghij”

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