computer system vs ADP system

computer system and ADP system both are nouns.

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

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

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

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

computer system (noun)	ADP 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