Complete this example-using flip-flop J-K (74LS73) Estado Futuro Output Estado Presente QA 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 QB 0 0 0 0 1 1 1 1 0 0 0 1 1 1 1 Input X 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 Y 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 Flip Flop JA KA JB KB 20) 2(t+1) JK 0 0 0X -0 1. I 1 0 3 XO QA+ QB+ Z 11/1 10/1/ 01/1/ 00/1/ PISO 84 11 01/0 11/0 01/0 PISO 43 10 01/0 11/0 PISO #2 01 10/0/00/0 QAQB 00 PISO # 10/0/00/0 11/0 10/0 00/0

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Q: Present Next state Outp state w = 0 w = 1 Y2Y1 00 10 11 01 01 00 10 11 00

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Latches and Flip Flop

Just like logic gates, the latches and flip-flops are the important elements of an electronic circuit. The logic gates form the important part of combinatorial circuits, while the latches and flip-flops form the essential part of a sequential circuit. Sequential circuits form the important concept of automata theory in electronics and electrical engineering, these circuits are a kind of logic circuit whose output depends on both present input and past inputs, that is, the input history.