揮発 きはつ せい記憶 きおく装置 そうちじゃなかったです
kihatsu sei kiokusōchijanakattadesu

Noun
Desu Copula

The polite, past negative form of 揮発性記憶装置

1. Was not a volatile memory device.

Past/Perfective
Negative
Polite
Casual Register
Computing