Full Form of CCTV is Closed Circuit Television. Closed Circuit Television (CCTV) is also known video surveillance. CCTV is a system where all the elements like video camera, display monitors, recording devices are directly connected to each other. It is used to monitor a sensitive area (A particular area which needs continuous observation and where there is no one to watch all time). CCTV is very helpful to prevent crime because it monitors all the activities and record them time to time .CCTV is also used for traffic monitoring by detecting congestion and notice accidents. CCTV uses wired or it can be wireless transmission to send the signals or broadcast to the monitor or recording device. CCTV can transmit video, audio or both to the monitor. Advanced CCTV cameras also have night vision capabilities to record low light videos or images. The CCTV signal are not publically distributed but are monitored for security purposes only. Components of...