Translation guide
The main processor in a computer that executes instructions. In Japanese, it is most commonly referred to as CPU (シーピーユー), but full terms exist for formal or technical contexts.
Referring to the central processing unit in general computing contexts.
The most common and natural way to refer to a central processing unit in Japanese, used in both spoken and written contexts. Pronounced シーピーユー.
このパソコンのCPUは最新のものです。
This PC's CPU is the latest model.
CPUの性能がゲームの快適さを決める。
CPU performance determines gaming comfort.
A more precise technical term that includes 'arithmetic processing'. Rarely used outside of very formal or academic writing.
中央演算処理装置の設計には高度な知識が必要だ。
Designing a central processing unit requires advanced knowledge.
CPU is treated as a loanword and written in katakana (シーピーユー) when spelled out, but the English abbreviation 'CPU' is universally understood and used in Japanese text. In speech, it is pronounced as シーピーユー.
The formal Japanese translation, used in technical documentation or academic contexts. Literally 'central processing unit'.
中央処理装置はコンピュータの頭脳とも呼ばれる。
The central processing unit is also called the brain of the computer.