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Audio Video Engineering MCQs set -7

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1. What is the full form of EDTV?




2. What is the scanning period when luminance and chrominance signals are compressed in EDTV?




3. What is the full form of MAC?




4. What is the full form of OLED?




5. Which of the following televisions delivers the best picture quality?




6. Which company is the leader in OLED production?




7. Which semiconductor properties paved the way for the first official LED discovery?




8. What is the approximate power savings in LED TVs?




9. Which of the following is the disadvantage of Plasma TV?




10. What is the full form of CCFL?




11. Which TVs are more bulky compared to LCDs?




12. Which of the following TV receiver can be used for mono and stereo sound systems?




13. Which of the following is an important feature in Plasma receivers?




14. Which mirror is the mirror with remarkable different reflection or transmission properties at two different wavelengths in LCD color receivers?




15. Which technology uses three LCD panels to produce image?




16. Which channel is used to control the picture quality in plasma TV receiver?




17. Which of the following is the chief micro-computer in plasma TV receivers?




18. Which of the following is the digital subsystem in plasma TV receivers?




19. Which state of matter is used in plasma TV?




20. Using which colors different colors are produced when UV rays hit the phosphorous present in the sub pixels of plasma display television?




21. Which of the following scientist discovered liquid crystal?




22. In which phase the molecules have definite order of patterns in LCD technology?




23. Which matrix uses the substrate which is made up of transparent conductive material called Indium Tin Oxide in LCD technology?




24. Which of the following matrix is used in LCD computer monitors and televisions?




25. How many levels of brightness per pixel is mostly displayed in LCD?




26. Which of the following TV was made up of data display screens?




27. Which of the following is the most important and expensive component of home theatre?




28. Which of the following are used for recording high quality videos in home theatre system?




29. What is the maximum screen size available in home theatre?




30. Which tuner should be preferred on a high definition satellite receiver unit in home theatre?




31. Which device is used to separate sound outputs picked up by separate microphones in a TV receiver or a DVD player in surround sound stereo receiver?




32. Which is one of the main components of any home theatre system?




33. In which year Dolby laboratories introduced Dolby surround sound?




34. How many ordinary and effects channel are there in a stereo receiver with Dolby digital decoder?




35. Which of the following tuner enables receiving Off-Air channels along with On-Air channel?




36. In which encoder the signal from an antenna or analog cable must go through in Digital video recorder?




37. Which of the following is the advantage of CRT projector?




38. Which of the following projector creates an image using a digital micro-mirror device (DMD) in a rear projection TV?




39. What is the RPM at which the four segment color wheel rotates in a single chip DLP projector?




40. Which of the following is the type of direct view display system?




41. In which projection system the image is displayed on the back of the screen through reflection?




42. Which projection TV system is used in movie theatres?




43. In which projectors 9 inches CRTs are used which emits bright light?




44. Which of the following projection system uses small contemplative chip?




45. What is the full form of MEMS?




46. In which university of USA was DMD (Digital Micro-mirror Device) developed?




47. What is the full form of GLV?




48. How long is the vertical line on which the GLV pixels are arranged in a projector?




49. Which projection system is capable of projecting clear images of any size without losing the original image resolution?




50. How many small mirrors does a DMD contain?