&    AND           0100 1110 &
                    1110 0111
                    ---------
                    0100 0110

 |    OR            0100 1110 |
                    1110 0111
                    ---------
                    1110 1111

 ^    XOR           0100 1110 ^
                    1110 0111
                    ---------
                    1010 1001

 ~    NOT           0100 1110 ~
                    ---------
                    1011 0001

 <<   Left shift    0100 1110 << 3
                    0111 0000

 >>   Right shift   0100 1110 >> 3
                    0000 1001

Bitwise Operators in C and C++: A Tutorial
Bitwise operations in C
StackOverflow: How do you set, clear and toggle a single bit in C?
mikrocontroller.net: Verändern von Registerinhalten