Data encoding-1
Text encoding
- ASCII codes: 1 character = 1 byte, 7 bits used
- 95 character codes + 33 control codes
- ISO 8859 codes: 1 character = 1 byte, 8 bits used
- 11 character sets for each regional alphabet
- can’t handle Asiatic alphabets
- ISO 8859-15: ISO Latin + Euro symbol
- Unicode: 1 character = 2 bytes
- 16 bits encoding
- 256 pages, 256 symbol each (65536 codes)
- first page map ISO Latin