ASCII (American Standard Code for Information Interchange) is a character encoding standard used for representing text in computers and other devices that use text. It encodes 128 specified characters into seven-bit integers.

ASCII Character Reference

Q: Why was ASCII created?

ASCII was created to standardize the representation of text in computers, communication equipment, and other devices that use text. Before ASCII, different systems used different encodings, which made interoperability and communication between devices difficult.

Q: What are the main features of ASCII?

ASCII includes control characters (like carriage return and line feed) and printable characters (like letters, digits, and punctuation marks). It uses seven bits to represent each character, allowing for 128 unique characters.

Q: How is ASCII used in modern computing?

Despite the existence of more comprehensive encoding standards like Unicode, ASCII remains the foundation of text representation in computing. Many protocols, file formats, and programming languages use ASCII or are based on its structure.

Q: What are some limitations of ASCII?

ASCII's main limitation is its small character set, which includes only 128 characters. This is insufficient for representing characters from many non-English languages, symbols, and emojis, leading to the development of extended ASCII and Unicode.

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ASCII Character Reference

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FAQ

What is ASCII?

Why was ASCII created?

What are the main features of ASCII?

How is ASCII used in modern computing?

What are some limitations of ASCII?

See also