Shift Registers » Exercise – 1
13. On the fifth clock pulse, a 4-bit Johnson sequence is Q0 = 0, Q1 = 1, Q2 = 1, and Q3 = 1. On the sixth clock pulse, the sequence is ________.
(a) Q0 = 1, Q1 = 0, Q2 = 0, Q3 = 0
(b) Q0 = 1, Q1 = 1, Q2 = 1, Q3 = 0
(c) Q0 = 0, Q1 = 0, Q2 = 1, Q3 = 1
(d) Q0 = 0, Q1 = 0, Q2 = 0, Q3 = 1
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