What is ASCII?
The
American Standard Code for Information Interchange (ASCII) assigns values between 0 to 255 for upper and lower case letters, numbers, punctuation, and other symbols. It is pronounced
ask-ee. ASCII codes represent text in computers, telecommunications equipment, and other devices.
0 - 31
are Control Codes
32 - 127
are Standard Characters
128 - 255
are Non-Standard Characters (Special Symbols and International)
(Image Credit: WikiMedia ASCII-Table.svg: ZZT32derivative work: LanoxxthShaddow [Public domain])