What is the output of this program?#include <iostream> using namespace std; int main() { int num = 6; int* ptr = &num; cout << sizeof(ptr); return 0; }

What is the output of this program?#include <iostream> using namespace

1.	What is the output of this program? #include <iostream> using namespace std; int main() { int num = 6; int* ptr = &num; cout << sizeof(ptr); return 0; }
A.	2
B.	4
C.	6
D.	8
E.	Depends on compiler
Answer» B. 4

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Which of the following statements is correct?Pointer to a reference and reference to a pointer both are valid.When we use reference, we are actually referring to a referent.
Which of the following statements is correct?Change a reference changes the referent.We can create an array of references.
Which of the following statements is correct?A reference is not a constant pointer.A referenced is automatically de-referenced.
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What is the output of this program?#include <iostream> using namespace std; int main() { int num = 6; int* ptr = &num; cout << sizeof(ptr); return 0; }

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What is the output of this program?
#include <iostream>
using namespace std;
int main()
{
int num = 6;
int* ptr = &num;
cout << sizeof(ptr);
return 0;
}