Chuong 03 Cac cong logic va dai so Boolean

Chuong 03 Cac cong logic va dai so Boolean - 1 1 Ch ng 3 Cc...

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Unformatted text preview: 1 1 Ch ng 3 Cc c ng logic & i s Boolean Th.S ng Ng c Khoa Khoa i n - i n T 2 H ng s Boolean v bi n Khc v i cc i s khc, cc h ng v bi n trong i s Boolean ch c hai gi tr : 0 v 1 Trong i s Boolean khng c: phn s , s m, l y th a, c n s , i s Boolean ch c 3 ton t : C ng logic, hay cn g i ton t OR Nhn logic, hay cn g i ton t AND B logic, hay cn g i ton t NOT 2 3 Closed switch Open switch Yes No High Low On Off True False Logic 1 Logic 0 H ng s Boolean v bi n (tt) Gi tr 0 v 1 trong i s Boolean mang ngh a miu t cc tr ng thi hay m c logic 4 B ng chn tr B ng chn tr miu t m i quan h gi a gi tr cc ng vo v ng ra. V d : 3 5 Bi u th c Boolean c a c ng OR x = A + B C ng OR 6 C ng OR (tt) Ng ra tr ng thi tch c c khi t nh t m t ng vo tr ng thi tch c c. 4 7 IC c ng OR 74LS32 8 IC c ng OR 74LS32 5 9 C ng OR (tt) C ng OR c th c nhi u h...
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Chuong 03 Cac cong logic va dai so Boolean - 1 1 Ch ng 3 Cc...

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