Common Encodings in Communications¶
Telephone Dialing Encoding¶
Digits 1-9 use 1-9 pulses respectively, while 0 uses 10 pulses.
Morse Code¶
See Morse Code - Wikipedia. The correspondence table is as follows:
Characteristics¶
- Contains only
.and-; - Maximum of 6 characters;
- Can also be represented using
01strings.
Tools¶
Challenges¶
- JarvisOJ - Basec - "-.- String"
Tap Code¶
Tap code is a method of encoding text messages in a very simple way. Named for the way information is encoded through a series of tapping sounds, Tap code is based on a 5×5 Polybius square, with the difference that the letter K is merged into C.
| Tap Code | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| 1 | A | B | C/K | D | E |
| 2 | F | G | H | I | J |
| 3 | L | M | N | O | P |
| 4 | Q | R | S | T | U |
| 5 | V | W | X | Y | Z |
