// This file is part of the materials accompanying the book 
// "The Elements of Computing Systems" by Nisan and Schocken, 
// MIT Press 2004. Book site: http://www.idc.ac.il/tecs
// File name: tools/builtIn/And.hdl.   Version: beta 1.4.

/**
 * Or gate: out = a or b.
 */

CHIP Or {

    IN  a, b;
    OUT out;

    PARTS:
	Not(in=a, out=c1);
	Not(in=b, out=c2);
	Nand(a=c1, b=c2, out=out);
}