Question: The textbook has a 4x16 decoder (mapping wxyz to D0-D15) design using two 3x8 decoders (mapping xyz to D0-D7) with enable signal (E). The enable

The textbook has a 4x16 decoder (mapping wxyz to D0-D15) design using two 3x8 decoders (mapping xyz to D0-D7) with enable signal (E). The enable signal E in each of the 3x8 decoders is used to implement w in the 4x16 decoder. Thus, the 4x16 decoder does NOT have enable signal. Try to add something to the 4x16 decoder such that it can be enabled or disabled.

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