Note: Answer Four questions Da B WNO 3-10-8 Decoder D. --- D EN D D. DX Q1: (25%): A. Write a VHDL code to design 4-to-16 decoder using two 3-to-8 decoders as shown in figure, you must: 1- Use case statement to design the 3-to-8 decoder. 2- Use Structural model to design the 4-to-16 decoder from two 3-10-8 decoders. B. Complete the design if we want to add the enable input to the 4-to-16 decoder. 3-10-8 Decoder FD DS foliu EN D D 4-10-16 decoder