Electrical engineering MCQ Quiz Hub

Audio Video Engineering MCQs set -6

Choose a topic to test your knowledge and improve your Electrical engineering skills

1. What is the range of component values often stored as integer numbers and represented as either decimal or hexadecimal numbers in RGB video signal?




2. What is the notation for RGB triplet (255, 0, 0) or sometimes #FF, 00, 00 (hexadecimal) in RGB video signals?




3. What does Y in the YUV model stands for?




4. Which of the following is described as how pure the color is, which depends on the spread or bandwidth of the light spectrum?




5. What are the components of one color image defined in YUV color coordinate?




6. Which of the following technique is used to reduce the average data rate to about 3 to 6 Mbps in digital satellite television?




7. How are the encrypted signals decrypted by the satellite receiver in digital satellite television?




8. Which of the following is controlled by the microcontroller with specific pulses for each channel in digital broadcast set-top-box?




9. Which of the following is the heart of data processing circuitry in digital broadcast set-top-box?




10. What is the full form of DTH?




11. Which broadcast centre broadcast televised programs through satellite to different subscribers in the country in direct to home television?




12. Which of the following is the main part of DTH network?




13. Which of the following circuits are collections of devices that perform logical operations on two logical gates?




14. Which of the following can be put into one of two stable states with a pulse applied to a specified input?




15. What is the full form of ADC?




16. In which step of the signal quantization we do what is left for a signal to be called as amplitude discretization?




17. How many levels are there of sampling for audio signal quantization?




18. Which of the following is the main block of digital TV receiver?




19. What separates the signal into two signals called chrominance and luminance in digital TV receiver?




20. Which of the following receives the standard TV signal and synchronizes the vertical and horizontal sweep generators using the color subcarrier in digital TV receiver?




21. Which of the following receives the signal from parallel to serial convertor and splits it in to two channels of audio the left and the right in digital TV receiver?




22. What is the full form of DTT?




23. In which of the following system the user can select a program of his/her choice and watch and listen to video and audio?




24. In which country was the first VOD service launched?




25. What is the full form of CCTV?




26. In which country was the first CCTV system introduced?




27. What is the full form of CATV?




28. Which is the control center in a cable television system where various signals are brought together and monitored before being introduced in to the cable network?




29. What should not be too low for the audio signal to be reconstructed to the original one in a digital recording system?




30. What is the full form of SMPTE?




31. Which tubes are used for perfect color and sharp images in digitally controlled cameras?




32. What is the complex camera control unit called in television graphics?




33. What is the most basic element of TV graphics besides lettering?




34. Which equipment is used to store and display a camera shot, slide or graphics made up from two or more video sources in television graphics?




35. Which country started its own project of HDTV in the year 1986 named ‘EUREKA’?




36. Who is the worldwide leader in HDTV for many years?




37. Which of the following is the HDTV bandwidth compression scheme developed by NHK?




38. What is the cross over frequency at which higher video frequencies are emphasized prior to modulation at the transmitter and de-emphasized at the receiver in NHK broadcast?




39. Which effect arises due to the difference in length of sound path lines and hence causes time delay with respect to each other?




40. Which multiplex system is used for the broadcasting of stereo sound?




41. Which of the following television uses a lens after the picture tube to enlarge the picture?




42. What is the full form of LCoS?




43. What is the resolution of 3D TV?




44. In which of the following system we see a different image of the same object with each eye?




45. In which 3D display technique is the blue beam cut-off and is not produced?




46. What is the total bandwidth required in 3D TV transmission?




47. Which 3D display technique requires electrical and mechanical adjustments?




48. By how much time is the red information delayed by additional circuits in signal paths as compared to green and blue information in the ABDY 3D display technique?




49. Which type of glass does a 3D TV use?




50. Which visual process does the 3D TV technology use?