This is the 11703rd most frequent Polish word.
komputerze
"Komputerze" is the locative or vocative form of "komputer," meaning "computer" in English.
Locative case provides the context of the conversation about the computer.
Czy wiesz, co stało się z moim komputerze?
Do you know what happened to my computer?
Locative case is used here to indicate location.
Pracuję na komputerze w moim biurze.
I work on the computer in my office.
Locative case expresses the medium or tool, in this case the computer.