B 3-10-8 Decoder -Da HD -D, 3 HD 4H-DA -D 6 HD 7 HD D EN 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 4-10-16 decoder from two 3-to-8 decoders. B. Complete the design if we want to add the enable input to the 4-to-16 decoder. NNN 3-10-8 Decoder OHD -D 2 HD. 3HD. 4 5 Da 6 HD, +0,5 De EN H-10-16 decoder