VALORE DECIMALE

               VALORE BINARIO

                  0

                      0000

                  1

                      0001

                  2

                      0010

                  3

                      0011

                  4

                      0100

                  5

                      0101

                  6

                      0110

                  7

                      0111

                  8

                      1000

                  9

                      1001