Answer:
Essentially it is the test we enter on websites and applications. It is a standard that persists across most if not all devices that can be used to send text, numbers, and symbols between devices. Being persistent meaning if device one sends message: "111222" to device two, device two will receive the ascii text and know how to interpret it as the message. Device two's output:"111222".
Explanation:
ASCII Defined as American Standard Code for Information Interchange, a set of digital codes representing letters, numerals, and other symbols, widely used as a standard format in the transfer of text between computers.
I tried my best here to explain it as best as I could if you need further explanation feel free to message me. :)