入出力 にゅうしゅつりょく制御 せいぎょ装置 そうちじゃなかったです
nyū shutsuryokuseigyosōchijanakattadesu

Noun
Desu Copula

The polite, past negative form of 入出力制御装置

1. Was not an input/output control device.; Wasn't an I/O controller.

Past/Perfective
Negative
Polite
Casual Register
Computing