For the next 3 items, an unknown flip-flop has two inputs, A and B, and a single output, (uncomplemented). Inputs A and B are driven as shown in the diagram, and the output was also observed and shown in the diagram. CLK A Q What type of flip-flop is implemented? O a. JK O b. SR O c. D O d. T Input A refers to which pin? O a. J (in a JK flip-flop) O b. K (in a JK flip flop) O c. S (in an SR flip flop) O d. R (in an SR flip flop) Oe. T (in a T flip flop) Of. D (in a D flip flop) What is the value of Q for clock cycle 6? O a. 0 O b. 1

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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.