microcode vs computer code

microcode and computer code both are nouns.

Word	Noun	Adjective	Verb	Adverb
microcode	Yes	No	No	No
computer code	Yes	No	No	No

As nouns, computer code is a hypernym of microcode; that is, computer code is a word with a broader meaning than microcode:

microcode: (computer science) coded instructions that are stored permanently in read-only memory
computer code: (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions

Other hypernyms of microcode include code.

microcode (noun)	computer code (noun)
(computer science) coded instructions that are stored permanently in read-only memory	(computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions