Closed-circuit television (CCTV) is a system that allows the use of video cameras to monitor the interior and exterior of a property, transmitting the signal to a monitor or set of monitors.
Monitoring in the context of security refers to the process of observing and checking the progress or quality of something over a period of time. It is a key component of surveillance systems like CCTV.
Surveillance is the close observation of a person, place, or object. It is often used in security to monitor potential criminal activity or other events that require close attention.
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