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
Eyesight to the Blind anthologies, such as "Allison Wonderland Anthology" (1994). The Who adapted the song for the 1969 rock opera album "Tommy". Roger Daltrey sings Williamson's lyrics set to new music, composed by Pete Townshend. It appears as the last track on the first side of the album; the original Track Records album cover uses the title "The Hawker", while on the record label it is listed as "Eyesight to the Blind". "Eyesight to the Blind (The Hawker)" or "The Hawker (Eyesight to the Blind)" is often found on later releases. Despite Townshend's new arrangement, the album credits read "Sonny Boy Williamson". For