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

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81.
What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
    int *p;
    void *vp;
    if (vp == p)
        cout << "equal";
    return 0;
}

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82.
What will be the output of the following C++ code?
#include<iostream>
using namespace std;
 
int &fun()
{
    static int x = 10;
    return x;
}
int main()
{
    fun() = 30;
    cout << fun();
    return 0;
}

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83.
What will be the output of the following C++ code?
#include <iostream>
#include <string>
#include <cstdlib>
 
using namespace std;
 
int main(int argc, char const *argv[])
{
	int a = 5;
	int *p = &a;
	int &q = p;
	cout<<p;
	return 0;
}

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84.
What will be the output of the following C++ code?
#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;
}

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85.
Which of the following statement(s) is/are correct?

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86.
What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
    int a = 5, c;
    void *p = &a;
    double b = 3.14;
    p = &b;
    c = a + b;
    cout << c << '\n' << p;
    return 0;
}

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88.
The difference between x and 'x' is?

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89.
What does the following statement mean?
int (*fp)(char*)

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90.
What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
    int arr[] = {4, 5, 6, 7};
    int *p = (arr + 1);
    cout << arr;
    return 0;
}

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