Answers

2016-04-11T17:05:38+05:30
C=Close
C=Circuit
TV=Television
It is connected with a cable to a monitor.

It is generally used to monitor a particular place or area.
For Example-banks,school,shops etc
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2016-04-11T17:06:39+05:30
Closed Circuit Television (CCTV), is a system where the elements like camera, display monitors, recording devices are directly connected. In a CCTV system the signals are not publicly distributed but are monitored, primarily for surveillance and security purposes.
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