标题ASCⅡ文件与二进制文件——ASCⅡ file and binary file

　　ASCII file is a file that only contains ext characters from the ASCII character set. An ASCII file contains letters，numbers and punctuation symbols，but does not contain any hidden textformatting commands. Also known as a text file， and ASCII text file. Binary file is a file consisting of binary numbers，usually a program or data file in machine-readable form rather than in human readable ASCII text.
　　ASCII文件是只含有ASCII字符集中文本字符的文件。ASCII文件包含有字母、数字以及标点符号，但不包含任何隐含的文本格式命令。ASCII文件也称为文本文件和ASCII文本文件。二进制文件是由二进制数组成的文件，通常为机器可读的程序或数据文件而不是人们可读的ASCII文本文件。