拡張 かくちょう記憶 きおく装置 そうちじゃなかったです
kakuchōkiokusōchijanakattadesu

Noun
Desu Copula

The polite, past negative form of 拡張記憶装置

1. Was not an extended memory device.; Wasn't an extended memory device.

Past/Perfective
Negative
Polite
Casual Register
Computing