Microprocessor

Japanese: microprocessor
Microprocessor

...However, as integration increases and LSIs evolve into systems, it becomes difficult to standardize them as in the case of memory. In principle, any complex logical processing can be realized with a general-purpose, high-performance microprocessor unit (abbreviated MPU) and a large-capacity ROM, but since an MPU is a system that runs on a program, its processing speed is inferior to that of a specially designed LSI. Therefore, to improve the performance of a high-performance LSI, an LSI that is specially designed for that system and shares functions with the MPU is required. ...

*Some terminology explanations that mention "microprocessor" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…しかし集積度が高くなりLSIがシステムにまで進化してくると,メモリーの場合のように標準化することが困難になってくる。原理的には汎用で高性能のマイクロプロセッサーmicroprocessor unit(略してMPU)と大容量ROMがあればどんな複雑な論理処理でも実現可能であるが,MPUはプログラムで動作するシステムなので,処理速度は専用設計のLSIに劣る。したがって高機能LSIの性能向上には,そのシステムのために専用に設計され,MPUと機能を分担するLSIが必要となる。…

※「microprocessor」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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