ASCII:
American Standard Code for Information
Interchange
American Standard Code for Information Interchange:
A computer coding system based on the letter J;
Mainly used to display modern English and other Western European languages;
The most common single-byte encoding system today;
The ASCI I code is represented by a specified 7-bit or 8-bit binary number combination.
128 or 256 possible characters;
0~31 and 127 (33 in total): control characters or special communication characters,
For example, 8, 9, 10 and 13 are converted to backspace, tab, line feed and return respectively.
car character;
48~57 are ten Arabic numerals from 0 to 9;
65~90 are 26 uppercase English letters;
Numbers 97~122 are 26 lowercase English letters:
The rest are some punctuation marks, operation symbols, etc.;
ASCII table
