Asked by CL
Louis Braille devised a system of six raised or not-raised dots to signify a letter of the alphabet.
a) How many different letters or characters may be coded in Braille?
b) If you wanted to code 94 distinct characters, such as those found on a computer keyboard, how mant dots would the system need?
a) How many different letters or characters may be coded in Braille?
b) If you wanted to code 94 distinct characters, such as those found on a computer keyboard, how mant dots would the system need?