Video Disk System MCQs – CHAPTER 3 DAE 15 min Score: 0 Attempted: 0/15 Subscribe 1. Tape speed in VHS is, (A) 2.2 cm/sec (B) 1.2 cm/sec (C) 1.82 cm/sec (D) None of TheseShow All Answers 2. For recording the video is normally; (A) F.M (B) A.M (C) PCM (D) None of TheseShow All Answers 3. The pits are generated on the (A) Memory (B) USB (C) Tape (D) None of TheseShow All Answers 4. The liquid crystal discovered in (A) 1877 (B) 1977 (C) 1888 (D) None of TheseShow All Answers 5. The CCTV does not use modulators and (A) Built in memory (B) VGA Card (C) Transmitters (D) None of TheseShow All Answers 6. Video monitor does not contain (A) All of These (B) IF (C) Demodulator (D) RFShow All Answers 7. The typical liquid crystal matrix consists of (A) 240x200 pixels (B) 200x240 pixels (C) 250x300 pixels (D) None of TheseShow All Answers 8. HDTV meant by; (A) Increased details (B) Increased aspect ratio (C) All of These (D) Reduced Viewing distanceShow All Answers 9. The HDTV has following the horizontal and vertical definition compared to conventional TV. (A) Half (B) Twice (C) 3 Times (D) None of TheseShow All Answers 10. The scanning lines are proposed for HDTV (A) 1050 (B) 1125 (C) 1250 (D) All of TheseShow All Answers 11. To avoid the effect of flicker in HDTV the frame proposed is about (A) 60 Hz (B) 50Hz (C) 55 Hz (D) None of TheseShow All Answers 12. The ratio of the width to the height of an image is called (A) Beam Ratio (B) Light Ratio (C) Aspect ratio (D) None of TheseShow All Answers 13. Aspect Ratio of HDTV is increased to (A) 1.40:1 (B) 1.31:1 (C) 1.78:1 (D) None of TheseShow All Answers 14. HDTV should be viewed about following times the picture height (A) 3 Times (B) 4 Times (C) 5 Times (D) None of TheseShow All Answers 15. Some sort of band compression techniques are applied to reduce the bandwidth is called (A) None of These (B) Decoding (C) Encoding (D) TranscendingShow All Answers