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CCTV was first installed in Germany in 1942 to monitor rocket launches, and uses video cameras to transmit signals to specific monitors rather than broadcasting publicly. It is commonly used for surveillance in areas like banks, airports, and factories. Recent developments include higher resolution digital still cameras, IP cameras that allow remote viewing over the internet, and integrated CCTV/DVR systems that combine recording and monitoring in a compact device.

Author

saeedahmed786

Language

EN