computing system vs computer system

computing system and computer system both are nouns.

Word	Noun	Adjective	Verb	Adverb
computing system	Yes	No	No	No
computer system	Yes	No	No	No

As nouns, computing system and computer system are synonyms defined as:

computing system and computer system: a system of one or more computers and associated software with common storage

Other synonyms of computing system include ADP system, ADPS, automatic data processing system.

computing system (noun)	computer system (noun)
a system of one or more computers and associated software with common storage	a system of one or more computers and associated software with common storage