p3 (10 points). answer the following questions about decoders and muxes:a.how many 2-to-4 decoders are necessary to create a 4-to-16 decoder?b.how many 3-to-8 decoders are necessary to create a 6-to-64 decoder?c.how many 1-bit 2-to-1 muxes are necessary to create a 1-bit 8-to-1 mux?d.how many 1-bit 2-to-1 muxes are necessary to create an 8-bit 2-to-1 mux?
