A flip flop is a quiescent component meaning it can have one of two states A trigger or signal is required to force the flip flop to change state
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A: it does not apply to only flip-flop but to all kinds of logic circuits where a [+] transition from a less negative to a more positive level occurs [-] and the other way around meaning a +/- transition must occurs to transfer states.
Yes. You need two gated input SR flipflops, and an inverter. Connect the Q output of the first flipflop to the S of the second. Connect the notQ output of the first flipflop to the R of the second. Connect the clock to the gate input of the second flipflop, and to the input of the inverter. Connect the output of the inverter to the gate of the first flipflop.
two crosscoupled inverting gates form a Reset Set flipflop.
preset is an asynchronus i/p for flipflop. so it is not depending on the clock signal. so if i keep preset high in any flipflip it will gives me the o/p as high. but when i use the normal i/p in the flipflop it will give the at the edge of the fliplop..