最大 さいだい有効 ゆうこうビットじゃないです
saidaiyūkōbittojanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 最大有効ビット

1. It's not the most significant bit.; It isn't the most effective bit.

Negative
Polite
Casual Register
Computing