Morse code a heliograph, a common flashlight, or even a car horn. Some mine rescues have used pulling on a rope - a short pull for a dot and a long pull for a dash. Morse code is transmitted using just two states (on and off). Historians have called it the first digital code. Morse code may be represented as a binary code, and that is what telegraph operators do when transmitting messages. Working from the above ITU definition and further defining a bit as a dot time, a Morse code sequence may be made from a combination of the following five-bit
Braille pattern dots-256 are also indicated by other, unique kantenji cells, but the large number of kanji utilizing these elements necessitates further disambiguating in kantenji patterns, which are limited to three cells apiece. Braille pattern dots-256 The Braille pattern dots-256 ( ) is a 6-dot braille cell with both middle, and the bottom right dots raised, or an 8-dot braille cell with both upper-middle, and the lower-middle right dots raised. It is represented by the Unicode code point U+2832, and in Braille ASCII with the number 4. In unified international braille, the braille pattern dots-256 is used to represent punctuation, and otherwise as