しゅ記憶 きおく装置 そうちではありませんでした
shuki oku sōchidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 主記憶装置

1. Was not main memory.; Was not a main storage device.

Past/Perfective
Negative
Polite
Formal Register
Computing