UNICODE
UNICODE is a 16-bit code for representing alphanumeric data. With 16 bits, can represent 216 or 65536 different symbols. 16 bits = 2 Bytes per character.
$0041-005A A-Z $0061-4007A a-z
Some other alphabet/symbol ranges
$3400-3d2d Korean Hangul Symbols $3040-318F Hiranga, Katakana, Bopomofo, Hangul $4E00-9FFF Han (Chinese, Japenese, Korean) UNICODE used by Web browsers, Java, most software these days.