Active video is Correct Ans: (D) Explanation:Active video refers to the picture information that appears on a screen during a broadcast. It is the part of the video signal that displays visible content. Simply put, it’s what the audience actually sees when watching TV or video. In technical terms, a video signal includes both active […]
A specially designed oscilloscope used to graphically display a video signal: (A) Vu Meter (B) Viewfinder (C) Studio Monitor (D) Waveform Monitor Correct Ans: (D) Explanation: A Waveform Monitor is a specialized oscilloscope that is designed to display and analyze a video signal. It helps technicians measure the amplitude, frequency, and phase of video signals.
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Modifying a video signal to be received only by the intended receiver is referred to as: (A) Selective focus (B) Scrambling (C) Scooping (D) Comet – tailing Correct Ans: (B) Explanation: Scrambling modifies a video signal to ensure that only the intended receiver can view it. This process alters the signal, making it appear as
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