Question:medium
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
The DVR (Digital Video Recorder) is a critical part of a CCTV system. It captures and saves video from cameras for subsequent examination and surveillance. Heat detectors and motion detectors function as external sensors, and the alarm serves as a notification system.
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