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project-1-boolean-logic/01/Not.hdl

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+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/1/Not.hdl
+/**
+ * Not gate:
+ * if (in) out = 0, else out = 1
+ */
+CHIP Not {
+    IN in;
+    OUT out;
+    PARTS:
+    // nand = 1 + 1 = 0
+    // 0 + 0 = 1
+    Nand(a=in, b=in, out=out);
+}