expression 
&
 expression

// expre_Bitwise_AND_Operator.cpp
// compile with: /EHsc
// Demonstrate bitwise AND
#include <iostream>
using namespace std;
int main() {
  unsigned short a = 0xFFFF;   // pattern 1111 ...
  unsigned short b = 0xAAAA;   // pattern 1010 ...

  cout << hex << ( a & b ) << endl;  // prints "aaaa", pattern 1010 ...
}

expression 
|
 expression

// expre_Bitwise_Inclusive_OR_Operator.cpp
// compile with: /EHsc
// Demonstrate bitwise inclusive OR
#include <iostream>
using namespace std;

int main() {
  unsigned short a = 0x5555;   // pattern 0101 ...
  unsigned short b = 0xAAAA;   // pattern 1010 ...

  cout << hex << ( a | b ) << endl;  // prints "ffff" pattern 1111 ...
}

// expre_Bitwise_Exclusive_OR_Operator.cpp
// compile with: /EHsc
// Demonstrate bitwise exclusive OR
#include <iostream>
using namespace std;
int main() {
  unsigned short a = 0x5555;   // pattern 0101 ...
  unsigned short b = 0xFFFF;   // pattern 1111 ...
  cout << hex << ( a ^ b ) << endl;  // prints "aaaa" pattern 1010 ...
}