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4-14-24-34-44-54-64-74-84-94-104-114-12MSI4-134-144-16P4-16,1474-15P4-15CBAABCCBAABCY+=•=ABC01Y14-17P4-17BAF+=1BAF+=3212FFF+==BABABABABA⊕=+=++))((4-18P4-184-19P4-19,010AAF=011AAF=012AAF=013AAF=4-203322BG=1212121BBBBBBG⊕=+=011BBG⊕=1484-21(a)(11)(b)(11)ABCCBACBACBAF+++=CBACBACABBCAF+++=4-22P4-22P4-22Q2Q1Q00000100120103011410051014-2338421BCD4-24P4-24A=1B=C=0B=1A=C=0C=1A=B=0A=B=C=01494-252-43-84-263-84-274-284-29(a)F1=A+B(b)F2ABC=m02471504-30P4-30CT74151ABC000001010011100101110111000F151F=10011010,100110104-318421BCDDCBA2,7FFABCDCBADBCCBADABCDBCF••=++=4-32(a)A1A0,B1B010(b)A1A0,B1B0ABF1=1A=BF2=1ABF3=1(c)A2A1A0B2B1B0A=BF=14-33CT7428338421BCD4-34CT74151bCBACBACABABCY+++=1cF2A,B,C,D=m036710111314aF1A,B,C=m1247dY∑=)31,30,26,25,24,16,14,13,12,11,10,9,8,3,1(),,,,(2mEDCBA1524-35P4-3581CT74LS15138CT74LS138ABCP4-354-36BCCAF+=CBBAL+=4-374-38CABCBA••=CABCBA++Y=74LS151A2A1A074LS138A2A1A0abdfha153