ISRO Computer Science (CSE) 2007 - Question 5

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The characteristic equation of an SR flip-flop is given by

  • A. Q(n+1) = S + R Q(n)
  • B. Q(n+1) = R Q'(n) + S Q(n)
  • C. Q(n+1) = S' + R Q(n)
  • D. Q(n+1) = S + R' Q(n)

Answer: D. Q(n+1) = S + R' Q(n)

Explanation: For SR flip flop, Q(n+1) = S + R'Q(n).

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