olemus
keskprotsessori funktsioone täiendav lisaprotsessor
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Wiktionary:
(computer hardware) an additional microprocessor used to supplement the functionality of the central processing unit, performing tasks such as floating-point arithmetic (floating-point unit) or graphics calculations (graphics processing unit)

ülevaateid
https://www.techopedia.com/definition/2856/coprocessor

https://en.wikipedia.org/wiki/Coprocessor

https://arxiv.org/pdf/1907.06948.pdf