Complete the following timing diagram (by completing the table) for a D flip-flop with falling edge trigger and asynchronous active-low ClrN an PreN inputs. (4 marks for each row in the table) Value of Q Type of operation (Justification why it is 0 or 1) At edge T1 T2 T3 T4 CLK D CIN PreN t1 t2 t3 t4