On the third clock pulse, a 4-bit Johnson sequence is Q0 = 1, Q1 = 1, Q2 = 1, and Q3 = 0. On the fourth clock pulse, the sequence is ________.

On the third clock pulse, a 4-bit Johnson sequence is Q0 = 1, Q1 = 1,

1.	On the third clock pulse, a 4-bit Johnson sequence is Q0 = 1, Q1 = 1, Q2 = 1, and Q3 = 0. On the fourth clock pulse, the sequence is ________.
A.	Q0 = 1, Q1 = 1, Q2 = 1, Q3 = 1
B.	Q0 = 1, Q1 = 1, Q2 = 0, Q3 = 0
C.	Q0 = 1, Q1 = 0, Q2 = 0, Q3 = 0
D.	Q0 = 0, Q1 = 0, Q2 = 0, Q3 = 0
Answer» B. Q0 = 1, Q1 = 1, Q2 = 0, Q3 = 0

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