What do the letters in ASCII stand for?

The letters in ASCII stand for "American Standard Code for Information Interchange." This term accurately represents ASCII as a character encoding standard used for representing text in computers and communication equipment. ASCII provides a set of codes for characters, enabling different devices to exchange data reliably by understanding these representations.

The correct option encompasses the purpose and functionality of ASCII well, as it highlights its role in facilitating the interchange of information among varied systems and devices. This standard ensures that characters such as letters, digits, and symbols are uniformly recognized across different platforms, thus enhancing compatibility and communication in computing and electronic systems.