読取 よみと専用 せんよう記憶 きおく装置 そうちでしょう
yomitorisen'yōkiokusōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 読取り専用記憶装置

1. Read-only memory, likely.

Polite
Presumptive
Conjecture
Computing