先入 さきい先出 さきだ記憶 きおく装置 そうちだろう
sakiiresakidashi kiokusōchidarō

Noun
Da Copula

Expresses probability ("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

Presumptive
Conjecture
Computing