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(a) [C (7M Consider the circuit shown in Figure 1. Investigate the circuit and write the value of outputs Y1 and Y2 for all possible combinations of variables in the format shown in Table 2. Assume that the initial state of Johnson counter is QoQ1Q2Q3 = 0000 (Qo-LSB) and w3 (MSB) has the highest and wo has least priority for 4:2 Priority encoder. Table 2 Clock Wo Wi W2 W3 Y1 Y2 no. QCH Clock 4-bit Johnson Counter 021 031 -Y1 wo wi 4:2 W2 Priority w3 Encoder -Y2 Figure 1 (b) Draw a state diagram for the sequence detector that detects the sequence 001" using Mealy FSM with the assumption that overlapping is allowed. [C (3M