automatic data processing system vs computing system

automatic data processing system and computing system both are nouns.

Word	Noun	Adjective	Verb	Adverb
automatic data processing system	Yes	No	No	No
computing system	Yes	No	No	No

As nouns, automatic data processing system and computing system are synonyms defined as:

automatic data processing system and computing system: a system of one or more computers and associated software with common storage

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

automatic data processing system (noun)	computing 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