Binary code practical applications such as computers, electric circuits, and more. The bit string is not the only type of binary code. A binary system, in general, is any system that allows only two choices such as a switch in an electronic system or a simple true or false test. Braille is a type of binary code that is widely used by the blind to read and write by touch, named for its creator, Louis Braille. This system consists of grids of six dots each, three per column, in which each dot has two states: raised or not raised. The different combinations
The Blind Man and the Lame and an angel hovering in the background underlines the earlier Christian connotation of the emblem tradition. Honoré Daumier used Florian's fable for purposes of political satire in a caricature, "Blind system and paralytic diplomacy", published in "Le Charivari" in 1834. It pictures King Louis Philippe staggering under the weight of Talleyrand. Such treatment contributed to the emergence of the French idiom, ""L'union de l'aveugle et le paralytique"" ("the union of the blind man and the lame"), that drew on Florian's poem but was used ironically in reference to any unpromising partnership. Another such appears in a poster by Jules Grandjouan