高速 こうそく演算 えんざん機構 きこうじゃなかったです
kōsokuenzan kikōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 高速演算機構

1. Wasn't a high-speed processing unit.; Wasn't a fast arithmetic unit.

Past/Perfective
Negative
Polite
Casual Register
Computing