Question 6: [15 marks] Assuming the memory units in the circuit in Figure 1 are single-edge flip-flops in positive logic: a. [5 marks] (Easy) Is the circuit based on the Mealy or Moore model? Justify your answer. b. [5 marks] (Moderate) Draw the state (transition) diagram. c. [5marks] (Moderate) Derive the state table. rigure 1