ISRO | ISRO CS 2007 | Question 5
The characteristic equation of an SR flip-flop is given by
Qn+1 = S + RQn
Qn+1= RQ\’n + SQn
Qn+1= S\’ + RQn
Qn+1 = S + R\’Qn
The characteristic table of an SR flip-flop is: So, by simplifying using k-maps: characteristic equation of an SR flip-flop = Qn+1 = S + R\’Qn Option(D) is correct.
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