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ASCII vs Unicode Comparison
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- ASCII Overview
- ASCII uses integers to encode numbers, letters, and symbols
- ASCII uses 8 bits to represent characters, limited to 256
- ASCII values can be estimated by adding 25 to the ASCII value of the character
- ASCII is used for electronic communication and graphic arts
- Unicode Overview
- Unicode represents characters from different languages and scripts
- Unicode Consortium maintains international character encoding standards
- Unicode uses UTF-7, UTF-8, UTF-16, and UTF-32 encoding formats
- Unicode supports right-to-left scripts like Hebrew and Arabic
- Relationship
- ASCII is a subset of Unicode encoding scheme
- ASCII uses 7 or 8 bits for character representation
- Unicode supports more characters than ASCII
- Unicode is used for internationalization and localization of software