Binary Representations

If we want to represent more than four things, we need more than two bits. Three bits can represent eight things because there are eight combinations of 0 and 1 that can be made from three bits. 21=2, 22=4, 23=8, . . .

If we want to represent more than four things, we need more than two bits. Three bits can represent eight things because there are eight combinations of 0 and 1 that can be made from three bits. 21=2, 22=4, 23=8, . . .