データマルチプレクサじゃありませんでした
dētamaruchipurekusajārimasendeshita

Noun
Desu Copula

The polite, past negative form of データマルチプレクサ

1. Was not a data multiplexer.; It was not a data multiplexer.

Past/Perfective
Negative
Polite
Terminal Form
Computing