How many real data types are there in complex numbers?

 Which of the following approach is used by C++? 

Which of the following is the correct way to declare a float pointer?

What are instances of a class with a member function operator() called?

 For 16-bit compiler allowable range for integer constants is ______ ?

What can be passed as non-type template parameters during compile time?

What are sequence container arrays?

  Why references are different from pointers?

What is the purpose of a functor in programming?

What will be the output of the following C++ code?

#include <iostream>

using namespace std;

long factorial (long a)

{

if (a > 1)

return (a * factorial (a + 1));

else

return (1);

}

int main ()

{

long num = 3;

cout << num << "! = " << factorial ( num );

return 0;

}