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The characteristic equation of D-flip-flop implies that ___________(a) The next state is dependent on previous state(b) The next state is dependent on present state(c) The next state is independent of previous state(d) The next state is independent of present stateI had been asked this question in unit test.I'd like to ask this question from D Flip Flop in portion Flip-Flops of Digital Circuits

Answer»

Right option is (d) The next state is independent of present state

For explanation I would SAY: A CHARACTERISTIC equation is needed when a SPECIFIC GATE requires a specific output in ORDER to satisfy the truth table. The characteristic equation of D flip-flop is given by Q(n+1) = D; which indicates that the next state is independent of the present state.



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