Electrical engineering MCQ Quiz Hub

Audio Video Engineering MCQs set -5

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1. Which type of transducers scientist discovered after the conventional picture tubes?




2. Which screens are made up of liquid crystal sandwiched between two glass plates?




3. In which monitor would the image look dimmer or even disappear when viewed from an angle?




4. What is the range of the usual contrast ratio of LCD TV?




5. Which monitor can rotate from landscape to portrait mode?




6. What do LEDs consist of which glow when exposed to electric current?




7. Which type of TV does not work properly at high altitude?




8. Which chemical coating is converted into red, green and blue colors when it comes in contact with UV rays in plasma screens?




9. What is defined as the amount of light intensity as perceived by the eye regardless of the color?




10. What is termed as the predominant spectral color of the received light?




11. Which of the following is the Grassman’s law equation?




12. Which alloy are the electrodes generally used in picture tubes?




13. Which is the costliest and most important part of television receiver?




14. What causes the movement of electrons in horizontal and vertical directions when current is applied to the cathode of a picture tube?




15. Which is the first basic equipment in a TV?




16. With which material is the signal plate coated in a Vidicon camera tube?




17. Of which material is the faceplate of a vidicon camera tube made?




18. How many lines of resolution can be achieved under practical conditions in Vidicon camera tube?




19. With which material is the Plumbicon camera tube made?




20. Which type of diode is formed in the plumbicon tube?




21. After entering into color camera tube the light is splits into how many paths?




22. Which tube was the only tube to use primary RGB colors?




23. Which of the following camera uses photo-diodes, MOS capacitors and shift registers?




24. What is the full form of CVS?




25. What is the period of one scanning line in composite video signal?




26. How much cycles do the color burst (CB) in the composite video signal consists of?




27. What is the range of peak white level in composite video signal?




28. What is termed as the difference between black level and blanking level?




29. What will be the voltage if the picture is darker in composite video signal?




30. What is defined as the width to height ratio of a picture frame?




31. What is the aspect ratio in the cinemas?




32. What is termed as the conversion of light from a picture into video signal by scanning process?




33. What is the effect called in which 70 percent of pixels are reproduced by active scanning lines?




34. What is the resolution of Indian PAL system?




35. What is the common name for Ultra high definition television?




36. What depends on the frequency of frame in television fundamentals?




37. Which of the following format of video compression was used for efficient coding of video sequence?




38. In which of the following format of video compression DVD movies are compressed?




39. Which of the following format of video compression was used to handle HDTV?




40. Which of the following format of video compression is used to handle lower bandwidth consuming application?




41. Which of the following frame is self-contained and has no dependency outside the image?




42. What is the full form of GOP?




43. Which video compression format does iPhones do not support?




44. Which of the following is the first member of H.26x family of video coding standards?




45. Which of the following format of video compression is not optimized for low bit rates?




46. Which of the following format of video compression standard was first designed to be utilized in PSTN and circuit-switched network video conferencing and video telephony systems?




47. Which of the following format of video compression is the latest generation standard for video encoding?




48. Which multimedia standard associates the description with the content itself to allow fast and efficient searching?




49. Which multimedia standard defines means of sharing digital rights, permissions and restrictions for digital content?




50. Which color model is used for most computer model and video systems?