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ISRO | ISRO CS 2014 | Question 21

  • Last Updated : 28 Jun, 2020

Consider the following sequential circuit

What are the values of Q0and Q1 after 4 clock cycles if the initial values are 00 ?
(A) 11
(B) 01
(C) 10
(D) 00


Answer: (D)

Explanation: Sequential circuit would produce the following output:

  T0    Q0          T1    Q1
  1     0           1     0
  1     1           1     0
  1     0           1     1
  1     1           1     1
  1     0           1     0

(Q0, Q1 = 0,0), after 4th cycle.

So, option (D) is correct.

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