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3 days ago · Unlike broadcast television, closed-circuit television (CCTV) does not openly transmit its signal to the public but rather between set points that are decided by the camera’s owner or operator. CCTV is often used by private companies, such as retail stores, to prevent crimes, particularly theft.
May 29, 2024 · Surveillance is used by citizens, for instance for protecting their neighborhoods. It is widely used by governments for intelligence gathering, including espionage, prevention of crime, the protection of a process, person, group or object, or the investigation of crime.
2 days ago · IANA distinguishes the following groups of top-level domains: infrastructure top-level domain (ARPA); generic top-level domains (gTLD); generic-restricted top-level domains (grTLD)
1 day ago · Pennsylvania ( / ˌpɛnsɪlˈveɪniə / ⓘ, lit.'Penn's forest country' ), officially the Commonwealth of Pennsylvania [b] ( Pennsylvania Dutch: Pennsylvanie ), [7] is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States.
5 days ago · Depuis le 1 er juillet 2015, toutes les chaînes sont diffusées avec l'encodage MPEG-4 et en HD sur le satellite Astra 19.2E [5], [6], sauf la plupart des chaînes étrangères en SD. L'ensemble des chaînes sont diffusées soit en HD (1920x1080i ou 1280x720p) dit Full HD , soit en HD upscale (1440x1080i) dit "fausse HD", soit en SD (576i ...
May 24, 2024 · Well-designed and selectively used video-surveillance systems are powerful tools for tackling data security issues; badly designed systems merely generate a false sense of security while also intruding on our individual privacy and infringing other fundamental rights.
2 days ago · Introduction of color television in countries by decade. This is a list of when the first color television broadcasts were transmitted to the general public.
