ADP system vs computer system

ADP system and computer system both are nouns.

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

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

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

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

ADP 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