operator bitwise pada C++

//http://www.mathsisfun.com/binary-decimal-hexadecimal-converter.html <-- converter binner
// penggunaa operator and (&)
#include <iostream>
using namespace std;

int main()
{
int a = 10;
int b = 9;

int c = a & b; // lakukan operasi and (&)
cout <<"Penggunaan operator AND (&)" << endl;
cout <<"Nilai a = " << a<< endl;
cout <<"NIlai b = " << b << endl;
cout <<"Nilai c = " << c << endl;

int d = a | b; //lakukan operasi OR (|)
cout <<"nilai a = " << a << endl;
cout <<"nilai b = " << b << endl;
cout <<"nilai d = " << d << endl;

int e = a ^ b; // lakukan operasi XOR (^)
cout <<"nilai a = " <<a << endl;
cout <<"nilai b = " <<b<< endl;
cout <<"nilai e = " <<e<< endl;
system("PAUSE");
return 0;
}

========================
hasil hitung :
AND
1010 = 10
1001 = 9
----
1000 = 8

OR
1010 = 10
1001 = 9
----
1011

XOR
1010 = 10
1001 = 9
----
0011