The D flip-flop is created by connecting two gated D latches serially, and inverting the CLK input to one of them. The following figure shows the internal circuit of D Flip-flop composing of two latches (L1: Master, and L2: Slave) and NOT gate. Answers the following questions.  1.) When CLK = 0 and D = 1, what are the values of and? N1 = ? Explain how come. Q = ? Explain how come.   2.) Complete the truth table below.

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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.