1. NEGATIVE IMAGE
An image produced by a video signal which is 180 degrees out of phase with respect to the video signal itself. In the image signal, the white and the black
areas of the picture are reversed.
2. NOISE
Random spurts of electrical energy or interference.
3. NOISE FIGURE
A measure of the noise present in the output of a device. It is expressed in terms of dB.
4. NTSC
National Television Systems Committee that worked with the FCC in formulating the standards for the United States color television system.
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