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What is the full form of CCTV


CCTV: Closed Circuit Television

Closed Circuit Television (CCTV) also known as video surveillance. It is a system where all the elements like video camera, display monitors, recording devices are directly connected. It is used to monitor a sensitive area ( A particular area which needs continuous observation and where there is no one to watch all the time). It is very helpful to prevent crime because it monitors all the activities and record them. It is also used for traffic monitoring by detecting congestion and notice accidents.

CCTV uses wired or wireless transmission to send the signals or broadcast to the monitor or recording device. It can transmit video, audio or both. Advanced CCTV cameras also have night vision capabilities to record low light images. The CCTV signal are not publically distributed but are monitored for security purposes.

CCTV full form

Basic Components of CCTV

  • Security Cameras (Analog or Digital)
  • Cables (RJ45 or RJ59 Cables)
  • Video Recorders (DVR or NVR)
  • Storage Unit (usually a Hard Disk)
  • Display Unit (optional, usually a monitor)

Places where CCTV's are generally installed

  • Banks
  • Shops and multiplexes
  • Casinos
  • City Roads and Highways
  • Building and Residential Apartments
  • Corporate Houses
  • Government Offices and Buildings
  • Airports and Railway Stations
  • Industrial plants etc.

The first CCTV was installed at Test Stand VII in Peenemunde in Germany. It was installed by Siemens AG. The credit of technological design and installation of this system goes to a German engineer Walter Bruch.

Benefits of CCTV

  • CCTV systems are great deterrent to thieves. Once a thief realize that he is under surveillance of CCTV, he will prefer to go somewhere else.
  • It reduces the fear of crime
  • It facilitates remote monitoring
  • It increases the business efficiency and improves profitability
  • It can be used as a best option for home security
  • It also increases the risks for shop lifters
  • CCTV footage provides valuable assistance to the police in investigating crimes
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