Q. How C++ compiler does differ between overloaded postfix and prefix operators?
✅ Correct Answer: (B)
A postfix ++ has a dummy parameter
CPP Programming MCQs | Page - 4
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Q. Which of the following operator functions cannot be global?
✅ Correct Answer: (C)
Conversion Operator
Q. Which of the following is true about this pointer?
✅ Correct Answer: (B)
It is passed as a hidden argument to all non-static function calls
Q. Which of the following in Object Oriented Programming is supported by Function overloading and default arguments features of C++?
✅ Correct Answer: (B)
Polymorphism
Q. Output of the program?
#include<iostream>
using namespace std;
int fun(int x = 0, int y = 0, int z)
{ return (x + y + z); }
int main()
{
cout << fun(10);
return 0;
}
✅ Correct Answer: (D)
Compiler Error
Q. Output of following program?
#include <iostream>
using namespace std;
int fun(int=0, int = 0);
int main()
{
cout << fun(5);
return 0;
}
int fun(int x, int y)
{
return (x+y);
}
✅ Correct Answer: (B)
5
Q. Which of the following is true?
✅ Correct Answer: (D)
Static methods can only access static members (data and methods)
Q. If a function is friend of a class, which one of the following is wrong?
✅ Correct Answer: (C)
Friend functions are members of a class.
Q. Which one of the following is correct, when a class grants friend status to another class?
✅ Correct Answer: (B)
All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship.
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