page $265,14($c$)$

For the following sets of functions, design a system

i$.$ Using a ROM

ii$.$ Using a PLA with the number of product terms shown

iii. Using a PAL

c$.,f(a,b,c,d)={\displaystyle \underset{?}{\overset{?}{}}}m(3,5,6,7,8,11,13,14,15)$

$g(a,b,c,d)={\displaystyle \underset{?}{\overset{?}{}}}m(0,1,5,6,8,9,11,13,14)$

$(6$ product terms$)$