olemus
enamasti: kahendsüsteemil põhinev numberkood,
näiteks ASCII, UTF-32
Wiktionary:
(computing) a code that uses the binary digits (0 and 1), usually in groups of eight, to represent characters, machine instructions or other data

ülevaateid
https://en.wikipedia.org/wiki/Binary_code
https://www.philadelphia.edu.jo/academics/qhamarsheh/uploads/Lecture_5_Binary_Codes.pdf

vt ka
- Gray kood, peegelkahendkood
- kahend-kümnendesitus