Figure Q.9 below shows a state diagram of a clocked synchronous state machine, where X and Y are the inputs and 21 and 22 are the outputs. Q.9.1 X' A Z1Z2-00 X.Y' E Z1Z2-10 Y' Y X.Y X' Figure Q.9 B 00 Z1Z2 = 10 Y Z1Z2-01 Y Y' D Z1Z2-01 X What type of state machine is the above sequential circuit? Explain why. Figure 2: Solution. (3)