Question:
Which of the following is a principal component of a CCTV system?
Which of the following is a principal component of a CCTV system?
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Consider the central device that stores video in a CCTV system.
Updated On: Jan 13, 2026
- Heat detector
- Motion detector
- Alarm
- DVR
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The Correct Option is D
Solution and Explanation
DVR (Digital Video Recorder) is an essential component of a CCTV system. It records and stores video footage captured by the cameras, allowing for later review and monitoring. Heat detectors and motion detectors are peripheral sensors, while the alarm is an alert mechanism.
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