Translation guide
The English word 'computer' is commonly used as-is in Japanese. The loanword コンピューター (or コンピュータ) is the standard term. In formal or technical contexts, 電子計算機 may appear, but it is rare in everyday speech.
Referring to a computer as a general electronic device for processing data.
The standard loanword for 'computer'. Used in almost all contexts. The form コンピュータ (without the long vowel) is also common, especially in technical writing.
新しいコンピューターを買いました。
I bought a new computer.
このコンピューターは速いですね。
This computer is fast, isn't it?
Abbreviation of パーソナルコンピューター (personal computer). Refers specifically to a PC, typically a desktop or laptop. Very common in everyday conversation.
Use パソコン when referring to a personal computer (desktop or laptop). Use コンピューター for computers in general, including servers, embedded systems, or when the type is unspecified. In many everyday situations, they are interchangeable.
学校に新しいコンピューターが入った。
The school got new computers.
パソコンを立ち上げる。
I start up my computer.
パソコンが壊れてしまった。
My computer broke down.
パソコンで仕事をしています。
I work on a computer.
Formal, technical term for 'electronic computer'. Rarely used in daily speech; found in legal, academic, or historical contexts.
電子計算機の歴史について研究しています。
I am researching the history of electronic computers.