According to Baidu Education's inquiry, the Chinese national standard Chinese character information exchange code is GB23 12-80. GB23 12 code is suitable for information exchange between Chinese character processing and Chinese character communication systems, and it is popular in Chinese mainland. Singapore and other places also adopt this coding. Almost all Chinese systems and international software in Chinese mainland support GB23 12.
The basic character set * * * contains 6763 Chinese characters and 682 non-Chinese graphic characters. The whole character set is divided into 94 regions, each region has 94 bits. There is only one character in each position, so Chinese characters can be coded by position and orientation, which is called position code.