Topology | Pros | Cons | Comments |
Moore | Maximum simplicity | Lowest speed | Preprocessing required |
Mealy 1 | Good speed upgrade | Higher number of memory positions | Minimum preprocessing |
Mealy 2 | Marginal speed upgrade over Mealy 1 | Highest number of memory positions, most of which will not be used | No preprocessing required (if no. of decision boxes per state is ≤2) |