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
History of the Cherokee language sorcery. After completing the lessons, Sequoyah wrote a dictated letter to each student, and read a dictated response. This test convinced the western Cherokee that he had created a practical writing system. When Sequoyah returned east, he brought a sealed envelope containing a written speech from one of the Arkansas Cherokee leaders. By reading this speech, he convinced the eastern Cherokee also to learn the system, after which it spread rapidly. In 1825 the Cherokee Nation officially adopted the writing system. From 1828 to 1834, American missionaries assisted the Cherokee in using Sequoyah's syllabary to develop type characters and print