About ASCII:
- 1. ASCII is a character encoding standard for electronic communication and data exchange.
- 2. ASCII uses 7 or 8 bits to represent 128 or 256 characters.
- 3. In 7-bit ASCII, values 0–31 and 127 are control characters; 32–126 are printable.
- 4. Extended ASCII (8-bit) adds 128 extra codes for symbols and international characters.