--- pl:prolog:pllib:and_gate [2019/06/27 15:50]
+++ pl:prolog:pllib:and_gate [2019/06/27 15:50] (aktualna)
@@ Linia 1: / Linia 1: @@
+====== And gate ======
+{{tag>electronics logic}}
+===== Description =====
+A circuit for a logical and-gate
+**Source**:  The Art of Prolog
+===== Download =====
+Program source code: {{and_gate.pl}}
+===== Listing =====
+<code prolog>
+resistor(power,n1).
+resistor(power,n2).
+transistor(n2,ground,n1).
+transistor(n3,n4,n2).
+transistor(n5,ground,n4).
+/*
+inverter(Input,Output) :-
+	Output is the inversion of Input.
+*/
+inverter(Input,Output) :-
+	transistor(Input,ground,Output),
+	resistor(power,Output).
+/*
+nand_gate(Input1,Input2,Output):-
+   Output is the logical nand of Input1 and Input2.
+*/
+nand_gate(Input1,Input2,Output) :-
+	transistor(Input1,X,Output),
+	transistor(Input2,ground,X),
+	resistor(power,Output).
+/*
+and_gate(Input1,Input2,Output):-
+  Output is the logical and of Input1 and Input2.
+*/
+and_gate(Input1,Input2,Output) :-
+	nand_gate(Input1,Input2,X),
+	inverter(X,Output).
+%Program 2.2: A circuit for a logical and-gate
+</code>
+===== Comments =====

pl/prolog/pllib/and_gate.txt · ostatnio zmienione: 2019/06/27 15:50 (edycja zewnętrzna)

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