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what is the difference between cctv security system and fdas​

Sagot :

Answer:

CCTV

Security cameras, also known as CCTV cameras, are used to convey signals from one particular place to a monitor situated at a distances

FDAS

They detect changes in ambient temperature, and send an alarm state to the CIE. ... These devices are the fire detection and alarm system's means for alerting the occupants of a building to potential or imminent danger from fire.