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Summary CCTV Systems NCCER Review Questions and Answers (Latest Update)
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CCTV Systems NCCER Review Questions and Answers (Latest Update)
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CCTV Systems NCCER Review Questionsand Answers (Latest Update)
An NTSC compliant video monitor has __________ scan lines. -
Correct Answer ✅525
Signal-to-noise ratios are measured in _________. - Correct
Answer ✅Noise in dB
The impedance of all video equipment is _____________. -
Correct Answer ✅75 ohms
Camera controllers are actually comprised of ___________
major components. - Correct Answer ✅Two (Transmitter
and receiver)
What are the acceptable lens mounting configurations? -
Correct Answer ✅C-mount and CS-mount
CCD cameras have __________. - Correct Answer ✅Solid-
state electronics
Multiplexers are usually available in increments of
______________. - Correct Answer ✅Four
A basic CCTV system consists of a ____________. - Correct
Answer ✅One or more cameras connected to a video
monitor.
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