AI engineering glossary · Computing foundations

What is ASCII?

ASCII: An early character encoding that assigns numbers 0 to 127 to English letters, digits, punctuation and control codes, using seven bits per character. It cannot represent most world scripts, but remains a subset of newer encodings.

Level: beginnerTopic: Computing foundations

ASCII: an example

In ASCII, the capital letter A is number 65 and lowercase a is 97.

Related terms

More Computing foundations terms

Where you learn it

ASCII is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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