ちょう だい規模 きぼ集積 しゅうせき回路 かいろでした
chōda iki boshūsekikairodeshita

Noun
Desu Copula

The polite past form of 超大規模集積回路

1. It was a very large-scale integrated circuit.; It was an ultra-large-scale integrated circuit.

Past/Perfective
Polite
Computing