擬似ぎじ乱数らんすう生成せいせいじゃなかったです
gijiransū sei seikijanakattadesu

Noun
Desu Copula

The polite, past negative form of 擬似乱数生成器

1. Wasn't a pseudo-random number generator.

Past/Perfective
Negative
Polite
Casual Register