also: コプロセッサー
noun
coprocessor
A supplementary processor designed to handle specific tasks, such as floating-point arithmetic or graphics, alongside the main CPU.
このCPUには浮動小数点コプロセッサが内蔵されている。
This CPU has a built-in floating-point coprocessor.
The main processor; a coprocessor assists it with specialized tasks.
A graphics processing unit, a common type of coprocessor.
Borrowed from English 'coprocessor'.