█ _ إم موريس مانو 0 حصريا مذكّرة 04 – Combinational Logic BY :M Morris Mano 2024 Mano: Logic BY Mano Chapter 4 Combinational Logic 4 1 INTRODUCTION Logic Mtsfo r digital syems may be combinational or sequential A circuit consists of logic gates whose outputs at any time ace determined from only the went combination of inputs co~onacilrc uit performs an operation that can k qecifd logidy by a set Bmlm functions In conuast, circuiki employ storage elements in addition to gntes Their are function and sm Because state is previous inputs, scqusntial cirmit depnd not on present valw but also past circuit behavim must specfled by saquence internal statcs Sequential circuits building blmks systems discussed Chqms 5 8, 9 4 2 COMBINATIONAL CIRCUITS A cmbimtid circuit consists input variables, gates, output v lcs hti& lo& react to values signals thtir produce value output signal, rransfwming binary information given data requid dais A block dagmn shown Fig 4,1, The n variables come hm external source; m variables produced intend combhahnal logic go destination Each variable exists physically as analog signal htqreted biisi gnal qmmts and logic (Note: bgic gicslmula show 0's I's, actual ) many application& source am registers If re&m included with the combinational then total cWmu st considered qdalci rcuit الكتب التقنية والحاسوبية العامة مجاناً PDF اونلاين ركن خاص بكتب مجانيه للتحميل General ويوجد بيه مجموعة كتب مجالات الانترنت والبرامج المكتبية وتطبيقات ولغات البرمجة شرح لموضوعات تقنية باللغة العربية ومجموعة كبيرة من لغات خاصة ومجال الحاسوب بشكل عام