Note that code $20 (which is annotated “SP”) is equivalent to a space. Also, as an aside, the terms uppercase and lowercase were handed down to us by the printing industry, from the compositors' ...

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 ...