EDUCATION UGC NET
COMMUNICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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for large group communication
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only for poor students of the class
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only for a restricted audience residing at a particular place
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none of the above
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Detailed explanation-1: -CCTV (closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTV relies on strategic placement of cameras and private observation of the camera’s input on monitors.
Detailed explanation-2: -CCTV means “closed-circuit television” and is commonly known as a video surveillance technology. “Closed-circuit” means broadcasts are limited (closed) to a selected group of monitors, unlike “regular” TV, which can be received and viewed by whoever sets up a reception device.
Detailed explanation-3: -A CCTV system must have: A high resolution camera to ensure image clarity. High-capacity digital storage to ensure 24/7 recording. The right placement with good lighting.
Detailed explanation-4: -X ray baggage-inspection devices at airports. Remote viewing of dangerous industrial processes, rocket liftoffs, and other operations. Perimeter security around power plants, military installations, warehouses, police stations, and other defended facilities. More items •08-Jun-2018