说明：  比较详细介绍了ASCII字符集、GB2312字符集、BIG5字符集、 GB 18030字符集、Unicode字符集等。计算机要准确的处理各种字符集文字，需要进行字符编码，以便计算机能够识别和存储各种文字
(more detail on the ASCII character set, the GB2312 character set, BIG5 Character Set GB 18030 character sets, such as the Unicode character set. Accurate computer to handle various language character sets, the need for character encoding. for the computer to identify the various characters and storage)