記憶 きおく装置 そうち保護 ほごじゃなかったです
kiokusōchino hogojanakattadesu

Noun
Desu Copula

The polite, past negative form of 記憶装置の保護

1. Wasn't protecting the memory device.; Wasn't safeguarding the memory device.

Past/Perfective
Negative
Polite
Casual Register
Computing