01 Byte Storage Order
Big endian: The low byte has a high address, and the high byte has a low address. eg: IBM;
Little endian; the low byte has a low address, and the high byte has a high address. eg:INTEL;
02 Character set
ASCII: 128=26 lowercase + 26 uppercase + 10 numbers + 33 symbols + 33 control codes + 1 space;
UNICODE (wide character set): 2-byte ASCII extension, 0-65535 double-byte unsigned integer encoding;