5 Questions
What is the main purpose of closed-circuit television (CCTV)?
To provide security and ongoing monitoring
How does CCTV differ from broadcast television?
It transmits the signal to a specific place on limited monitors
Where is video surveillance using CCTV common?
Common in many areas around the world
What additional feature may digital video recorders (DVRs) provide in advanced CCTV systems?
Motion detection and email alerts
What is the purpose of decentralized IP cameras in CCTV systems?
To support recording directly to network-attached storage devices
Study Notes
CCTV Overview
- The main purpose of closed-circuit television (CCTV) is for video surveillance and monitoring.
CCTV vs Broadcast TV
- CCTV differs from broadcast television in that CCTV signals are not openly transmitted, but rather are transmitted over a closed circuit for a specific audience.
CCTV Usage
- Video surveillance using CCTV is common in public areas such as shopping centers, public transportation, and government buildings.
Advanced CCTV Features
- Digital video recorders (DVRs) in advanced CCTV systems may provide additional features such as motion detection and alert systems.
Decentralized IP Cameras
- The purpose of decentralized IP cameras in CCTV systems is to allow for remote monitoring and recording of video feeds directly to the camera, reducing the need for a central recording device.
Test your knowledge of closed-circuit television (CCTV) and video surveillance systems with this quiz. Explore the use of video cameras for transmitting signals to specific places and learn about the different transmission methods employed.
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