直接 ちょくせつアクセス記憶 きおく装置 そうちでしょう
chokusetsu akusesukiokusōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 直接アクセス記憶装置

1. Direct access memory device, probably.

Polite
Presumptive
Conjecture
Computing