Translation guide
In Japanese, 'machine language' is most commonly expressed using the borrowed term 機械語 (kikai-go). This is the standard technical term in computing. Alternative expressions like マシン語 (mashin-go) or 機械言語 (kikai-gengo) exist but are less common.
The low-level programming language directly executed by a computer's CPU.
The standard and most common term for 'machine language' in Japanese computing contexts. It is a compound of 機械 (machine) and 語 (language).
このプログラムは機械語で書かれている。
This program is written in machine language.
機械語はCPUが直接実行できる唯一の言語だ。
Machine language is the only language that the CPU can execute directly.
A less common alternative using the loanword マシン (machine) instead of 機械. It is understood but not as standard as 機械語.
A more formal or literal translation, using 言語 (language) instead of 語. Rarely used in practice; 機械語 is preferred.
機械言語は低水準言語の一種である。
Machine language is a type of low-level language.
He likes programming in machine language.