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
Writing system after, writing provided a reliable form of long distance communication. With the advent of publishing, it provided the medium for an early form of mass communication. The creation of a new alphabetic writing system for a language with an existing logographic writing system is called alphabetization, as when the People's Republic of China studied the prospect of alphabetizing the Chinese languages with Latin script, Cyrillic script, Arabic script, and even numbers, although the most common instance of it, converting to Latin script, is usually called romanization. Writing systems are distinguished from other possible symbolic communication systems in that a writing