Learner's definition of ASCII
[noncount]
: a standard way of representing numbers and letters in a computer file so that they can be read by most computers美国信息交换标准代码（一种标准的数据传输代码） ◊ The word ASCII comes from the initial letters of the words in the phrase American Standard Code for Information Interchange.*ASCII是American Standard Code for Information Interchange的缩略词。