This is the 126th most frequent Turkish word.
kurulu
"Kurulu" means "established" or "set up" in English.
In this sentence, 'kurulu' refers to the establishment or formation of the company, used as a nominal concept.
Bu şirketin kurulu 1985 yılında gerçekleşmiştir.
The establishment of this company took place in 1985.
Here, 'kurulu' acts as an adjective meaning 'set up' or 'built,' describing the computer system.
Bu odada tamamen kurulu bir bilgisayar sistemi bulunuyor.
In this room, there is a fully set up computer system.
In this sentence, 'kurulu' is part of a passive structure indicating that the facilities have been established in that area.