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In computer software, any symbol that requires one byte of storage. This includes all the ASCII and extended ASCII characters, including the space character. In character-based software, everything that appears on the screen, including graphics symbols, is considered to be a character. In graphics-based applications, the term character is generally reserved for letters, numbers, and punctuation. |
Suggestion: Remove the reference to "one byte of storage" since UTF-8 and Unicode can involve multiple bytes.
Instead, consider changing the first sentence to "In computer software, a character is a symbol, such as a letter or number, that represents information." Source