





















The Binary System 















The concept of using two symbols to encode information is an old
one. African bush tribes sent messages via a combination of high and low pitches.
Australian aborigines and New Guinea Tribesman counted by two's. Even more recently, Morse
code consists of groups of dots and dashes which represents letters of the alphabet in
another twosymbol code. 






















In 1666, Gottfried Wilhelm Leibniz wrote
the essay "De Arte Combinatoria" which laid a method for expressing all things
in law of thought which consists of pecision mathematics. 






















In the 19th Century, British mathematician George Boole invents
the system of symbolic logic call Boolean algeba. 




















In 1867, Charles Sanders Peirce introduces
Boolean algebra to the United States. 






















In 1936 Claude Shannon bridges the gap
betwen algebraic theory and practical application. 









