local memory vs computer memory

local memory and computer memory both are nouns.

Word	Noun	Adjective	Verb	Adverb
local memory	Yes	No	No	No
computer memory	Yes	No	No	No

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

local memory: The memory used by a single CPU or allocated to a single program or function.
computer memory: an electronic memory device

Other hypernyms of local memory include computer storage, memory, memory board, storage, store.

local memory (noun)	computer memory (noun)
The memory used by a single CPU or allocated to a single program or function.	an electronic memory device