JK flip flop

JK flip flop is modified RS flip flop. The inputs R and S are ANDed with Q and Q’ respectively to form the inputs of JK flip flop. Its operation remains same as RS flip flop except when both inputs are 1.The indeterminate state, i.e. when R=1, S=1, is eliminated in JK flip flop and the output toggles or complements its state when J=1, K=1.

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