先入 さきい先出 さきだ記憶 きおく装置 そうちでしょう
sakiiresakidashi kiokusōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 先入れ先出し記憶装置

1. First-in, first-out memory device; Probably a first-in, first-out memory device

Polite
Presumptive
Conjecture
Computing