microprocessor vs micro chip

microprocessor and micro chip both are nouns.

Word	Noun	Adjective	Verb	Adverb
microprocessor	Yes	No	No	No
micro chip	Yes	No	No	No

As nouns, micro chip is a hypernym of microprocessor; that is, micro chip is a word with a broader meaning than microprocessor:

microprocessor: integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system
micro chip: electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit

Other hypernyms of microprocessor include chip, microchip, microprocessor chip, silicon chip.

microprocessor (noun)	micro chip (noun)
integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system	electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit