3. A sequential circuits with two Flip Flops A and B two inputs x and y, and one output z is specified by the following next-state and output equations A(t+1) = xy + x B B(t+1) = x'A+xB ZA Draw the logic diagram of the circuit. (6) List the state table for the sequential circuit (m) Draw the corresponding state machine diagram. 4. Given the waveforms in Figure 2 for the input and the clock, determine the Q output waveform if the flip flop starts out reset. CLK D Figure 2 5. The waveforms in Figure 3 are applied to the J, K and clock inputs as indicated. Determine the output, assuming that the flip-Flop is initially reset. CLE Figure 3 6. For the positive edge triggered JK Flip Flop with preset and clear inputs in Figure 4. determine the output for the inputs shown in the timing diagram ifis initially Low Figure 4