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American Standard Code for Information InterchangeCharacter set and code described by the America National Standard Code for Information Interchange. Each this page you can look up ASCII characters and descriptions.">ASCII character is encoded with seven bits. ASCII consists of both control and printable characters. These characters are the same as the first 128 characters of the ANSI character set.The Extended ASCII Character Set consists of 128 decimal numbers and ranges from 128 through 255, representing additional special, mathematical, graphic, and international characters --the elements vary with different computer manufacturers and with different languages.On this page you can look up ASCII characters and descriptions.