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 Central Library for the Blind, Visually Impaired and Handicapped (Israel) Grünthal, translated books to Braille. In 1959 the library started also producing audio cassettes. In 2004 the effort to convert the audio cassettes, which were produced until that point, to CD format began, alongside producing new books in CD audio format. The library nowadays (2012) produces CDs, Braille books, and large print books. The Central Library for the Blind, Visually Impaired and Handicapped (Israel) The Central Library for the Blind, Visually Impaired and Handicapped (Israel) (Hebrew: הספרייה המרכזית לעיוורים, כבדי ראיה ומוגבלים) supplies people who cannot read books, for various disabilities, with books which are suitable for them, either in