同期 どうき通信 つうしんアダプタじゃなかったです
hidōkitsū shin'adaputajanakattadesu

Noun
Desu Copula

The polite, past negative form of 非同期通信アダプタ

1. Was not an asynchronous communication adapter.; Wasn't an asynchronous communication adapter.

Past/Perfective
Negative
Polite
Casual Register
Computing