What is the ASCII code chart? Codes 0 to 31 are not used for characters They are called control characters because they are used for actions like: Carriage return (CR). Bell (BEL). Codes 65 to 90 ...

Key Takeaways The American Code for Information Interchange, or ASCII, is a character encoding format designed for use in transmitting text between computers.

This means that ASCII code only allows for the representation of 128 characters. In order to represent more character sets, it is possible to use Unicode instead of ASCII.