I need some explanation to be able to understand it. Not just a yes or a no.

3. A demultiplexer is a circuit 12 shown in Fig. 3. It has inputs and s, passed on to either yo or depending on whether the selector signal s is 0 or 1 Connect a demultiplexer and a multiplexer in the way shown in Fig. 4, so that they share the selector signal s.
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