The origin of this particular clip is not documented, and it is best treated as a generic short sound effect rather than a line from a known film, game or show. Clips like this circulate on soundboards because they are short, reusable and easy to drop into edits without needing context, and this one has been used in that same way for quick sci-fi moments. Its appeal comes from its brevity and clarity: creators can reuse it across many videos, and listeners instantly recognise the electronic pulse as a signal that something has activated, fired or switched on.