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Digital Logic

14. You are given the following sequential logic circuit, if the present state is Q1 = 0, Q2 = 1 what will be the values of Q1, Q2, and Z after 3 clock cycles if the applied values of X are as follows: X = 1 in the first and second cycles and X = 0 in the third one: J1 Q1 X Z 0 K1 D2 Q2 clk a. Q1 = 1, Q2 = 1, Z = 0 d. Q1 = 0, Q2 = 1, Z= 1 g. All of the above b. Q1 = 1, Q2 = 1, Z=1 e. Q1 = 1, Q2 = 0, Z= 1 h. None of the above c. Q1 = 0, Q2 = 1, Z = 0 f. Q1 = 1, Q2 = 0, Z=0 20. If the present states of the flip flips shown next is 111, what will be their states after3 clock pulses? MSB K K c. 100 a. 000 d. 101 b. 010 e. 110 f. None of the above