information processing system vs microchip

information processing system and microchip both are nouns.

Word	Noun	Adjective	Verb	Adverb
information processing system	Yes	No	No	No
microchip	Yes	No	No	No

information processing system (noun)	microchip (noun)
a machine for performing calculations automatically	electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit