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1 Disciplina: Eletrônica Digital Professora: Priscila Doria Nome do aluno: Lista de Exercícios Nº 3 1. Simplifique as expressões abaixo, utilizando a Álgebra de Boole. a. CBABCAABCCBACABS ++++= Resposta: BCAS += b. ABCDDCBADABCDBCADCABDCBADCABS ++++++= Resposta: DCABS += c. )(]))([( CABCBACCBADCBS ++++++++= Resposta: BACS += d. ABCBADCCBADCBAS ++++++= ])()([ Resposta: ACADABDCS +++= e. DABADCBDDCBBAS +++++⊕= ])()[( Resposta: ABDCBADAS ++= f. )]()())(([ BAACBCACBCBAACDDCBS +++++++++= Resposta: ACBS += g. }])([){( ACBACBADCBADDCBAS ++++⊕++= Resposta: DCAS = h. }])()[(){( ABDDBCBDABCBACBBBAS +++++⊕++= Resposta: DBBAS += i. ABCCBABCACBACBAS ++++= Resposta: BAACBAS ++= 2 j. DCBAABCDDCBABCDADCABDCBACDBADCBAS +++++++= Resposta: CBABCDDCADCBS +++= k. CACDBADCBAADBS ++++= Resposta: BAS += l. DCBADCBCDBDBCDAABABCS ++++++= Resposta: CBBDACCBS +++= 2. Simplifique a expressão e desenhe o circuito que executa a expressão simplificada. })]([){( DCBACBCBADCBDBS +++++⊗++= 3. Demonstre que: )()( CBACBAS ⊗⊕=⊕⊗= 4. Prove que: DCBADCBA ⊗⊗⊗=⊕⊕⊕ A B C D DCBA ⊕⊕⊕ DCBA ⊗⊗⊗ 0 0 0 0 1 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 1 0 1 1 1 0 1 1 0 1 1 0 1 1 1 0 0 1 0 0 0 0 0 1 0 0 1 1 1 1 0 1 0 1 1 1 0 1 1 0 0 1 1 0 0 1 1 1 1 0 1 0 0 1 1 1 0 0 0 1 1 1 1 1 1 5. Simplifique as expressões da questão 1, utilizando o diagrama de Veitch-Karnaugh. 3 6. Através dos diagramas de Veitch-Karnaugh, determine a expressão simplificada de S1 e S2. a. A B S1 S2 0 0 1 1 0 1 0 1 1 0 1 0 1 1 1 0 Respostas: BAS +=1 e AS =2 b. A B C S1 S2 0 0 0 X 1 0 0 1 0 X 0 1 0 1 0 0 1 1 X 0 1 0 0 1 0 1 0 1 X 1 1 1 0 X X 1 1 1 1 X Respostas: BAS +=1 e ACBAS +=2 c. A B C D E S1 S2 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 1 0 1 1 0 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 1 0 1 1 1 0 0 1 1 0 0 1 0 0 1 1 1 1 1 0 1 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 0 1 1 0 1 0 1 1 0 0 0 1 1 0 0 1 1 0 1 1 0 1 1 1 0 1 1 1 0 0 1 0 1 1 1 1 1 1 1 0 0 0 0 1 1 1 0 0 0 1 1 0 1 0 0 1 0 0 1 1 0 0 1 1 0 1 1 0 1 0 0 0 1 1 0 1 0 1 1 1 1 0 1 1 0 0 1 1 0 1 1 1 1 1 1 1 0 0 0 0 1 1 1 0 0 1 0 0 1 1 0 1 0 1 1 1 1 0 1 1 0 0 1 1 1 0 0 0 1 1 1 1 0 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 Respostas: DBAECS EDCBDBCADCBCBACES ++= ++++= 2 1 d. A B C D E S1 S2 0 0 0 0 0 0 1 0 0 0 0 1 0 X 0 0 0 1 0 1 1 0 0 0 1 1 0 X 0 0 1 0 0 1 X 0 0 1 0 1 1 1 0 0 1 1 0 0 X 0 0 1 1 1 1 1 0 1 0 0 0 0 1 0 1 0 0 1 1 0 0 1 0 1 0 1 1 0 1 0 1 1 0 0 0 1 1 0 0 1 X 0 1 1 0 1 1 1 0 1 1 1 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 1 1 0 0 0 1 0 X 1 0 0 1 0 1 1 1 0 0 1 1 0 0 1 0 1 0 0 1 X 1 0 1 0 1 1 1 1 0 1 1 0 0 0 1 0 1 1 1 1 1 1 1 0 0 0 0 X 1 1 0 0 1 0 1 1 1 0 1 0 1 1 1 1 0 1 1 0 1 1 1 1 0 0 1 1 1 1 1 0 1 1 X 1 1 1 1 0 0 1 1 1 1 1 1 1 X Respostas: ECABS EDCDCCES ⊗+= ++= 2 1 4 7. Simplifique as expressões de S1, S2, S3, S4, utilizando os mapas de Veitch-Karnaugh. a. A B C D S1 S2 S3 S4 0 0 0 0 1 1 0 0 0 0 0 1 1 0 0 0 0 0 1 0 1 1 1 0 0 0 1 1 1 0 0 1 0 1 0 0 1 1 1 1 0 1 0 1 0 1 1 1 0 1 1 0 0 1 1 0 0 1 1 1 1 1 0 1 1 0 0 0 1 1 0 0 1 0 0 1 1 1 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 0 0 1 1 0 0 1 0 0 0 1 1 0 1 0 1 1 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 0 1 Respostas: CDDCBS ++=1 CBABDDAS ++=2 DCBDCBDBAS ++=3 DCAABCCDACBAS +++=4 b. Respostas: DBS +=1 DBACBDS ++=2 CDBAABCCBADBS +++=3 ABCDADCBS +++=4 A B C D S1 S2 S3 S4 0 0 0 0 1 X 0 X 0 0 0 1 X X 0 0 0 0 1 0 X 1 0 X 0 0 1 1 X 0 1 1 0 1 0 0 1 X X 1 0 1 0 1 0 1 X X 0 1 1 0 X 0 1 0 0 1 1 1 X 1 0 1 1 0 0 0 X 1 X 0 1 0 0 1 1 0 1 1 1 0 1 0 X X 0 0 1 0 1 1 1 1 0 X 1 1 0 0 X 0 1 1 1 1 0 1 X 1 0 1 1 1 1 0 1 1 X 1 1 1 1 1 0 X 1 X c. A B C S1 S2 S3 S4 0 0 0 1 1 0 0 0 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 1 1 0 0 0 1 0 0 1 1 1 1 1 0 1 1 1 1 0 1 1 0 0 1 1 1 1 1 1 1 0 0 1 Respostas: BAACCBS ++=1 CBS +=2 CACBS +=3 CBABCACBAS +++=4
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