Suppose that you want to use a JK flip-flop for a laboratory experiment. However, you have only D flip-flops. Assuming that you have all the logic gates available, make a JK flip-flop using a D flip-flop and some logic gate(s).
What will be an ideal response?
Analysis:
The truth tables for both the JK and D flip-flops are in the table shown here. There are eight rows because there are eight combinations of the inputs J, K, and the flip-flop output Qn. The fourth column represents the output at the next clock trigger based upon the state of the inputs. The fifth column represents the input to a D flip-flop necessary to produce Qn+1. For a D flip-flop the output equals that input D; that is, D = Qn+1.
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