最大 さいだい有効 ゆうこうビットでしょう
saidaiyūkōbittodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 最大有効ビット

1. Probably the maximum effective bit.; Likely the maximum usable bit.

Polite
Presumptive
Conjecture
Computing