Each byte in the file contains one character that conforms to the standard ASCII code (see ASCII chart). Program source ... there are binary codes in the header and interspersed throughout the ...

The numerical value, or order, of an ASCII character. There are 128 standard ASCII characters, numbered from 0 to 127. Extended ASCII adds another 128 values and goes to 255. The numbers are ...

In ASCII, each character (letter, number, symbol or control character) is represented by a binary value. Extended ASCII is a version that supports representation of 256 different characters.