1.Prepareall sectionsand Handoutall therequireddesignstoyourteachingassistant. 2.Design a circuitwhichusesanSN74151toimplementa sum-of-products expression, as follows: (a)Convertthe followingexpressionintosummationform(i.e.F(A,B,C)=E(...)): Y = f(A, B, C) = AB + BC (b) Sketch on figure 3.1 the input connections necessary to implement thefunctionin(a). [ 0 0 HAZ A1 TA D7 ABC HD6 ABC -D5 ABC HD4 ABC HD3 ABC D2 ABC Di ABC DO ABC Figure 3.1:8-to-1 Multiplexer 3.Design a circuitwhichusesanSN74138demultiplexerto implementa sum-of-products expression, as follows: 33 (a) Convertthefollowingexpressionintosummationform(i.e.F(A,B,C)-(...)): Y = f(A, B, C) = ABC + BC B) (b)Thedemultiplexeroutputisselected,andwillgolow,bytheaddressoninputsA,B,and whenthelCisenabled. Therefore, wecancreatetheoutputfunctionYbysummingtogetherthe outputs indicatedbythesummation form of the expression. Since theoutputsofthedemultiplexerareactive- low,thisisdonewithaNANDgate.Connecteachofthe TRUE mintermoutputs ofthedemultiplexerin Figure 3.2 (indicatedbythesummationequation toan inputoftheNANDgate.Connectall unusedNANDinputstologicl. A.AZ BHA1 CAO YO Y16 Y2 Y30 Y4 Y50 Y62 Y7 bor