binary numeration system vs binary system

binary numeration system and binary system both are nouns.

Word	Noun	Adjective	Verb	Adverb
binary numeration system	Yes	No	No	No
binary system	Yes	No	No	No

As nouns, binary numeration system and binary system are synonyms defined as:

binary numeration system and binary system: a positional system of numeration that uses binary digits and a radix of two

Other synonyms of binary numeration system include binary number system, pure binary numeration system.

binary numeration system (noun)	binary system (noun)
a positional system of numeration that uses binary digits and a radix of two	a positional system of numeration that uses binary digits and a radix of two