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Electronics Mechanic Practice Test: LCD And LED TV
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Electronics Mechanic Practice Test: LCD And LED TV
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25 Questions

1. In which type of liquid crystal the molecules arranged in a long axis parallel to each other an appropriate surface?
2. Monochrome LCD display is used —
3. Which term is related to the information about hue and saturation of a color?
4. Which layer is negatively charged in OLED TV display?
5. What is the input frequency range of the set-top box used for cable TV application?
6. Which control controls the overall intensity of the screen in B&W TV receiver?
7. Which of the following TV consumes maximum energy?
8. Which of the following is a television resolution format -
9. What is the full form of HPT?
10. What is the full form of the abbreviation OLED?
11. The value of Aspect ratio in telecasting and its production in order to synchronize picture response is kept –
12. Why aluminium is used as lamp body?
13. What is the function of tuner in TV receiver?
14. R,G,B, video signals are applied to _____ pins of color PT_______
15. Terminals of an LCD display are —
16. What is the function of scaler and OSD in LCD TV section?
17. What is used to receive the TV signals?
18. How many bits are used for coding to generate 64 functions in the IR remote control system?
19. Which scanning method is used in TV receiver with 625 lines?
20. The size of a picture tube is specified by-
21. Which is represented by saturation in color TV signal characteristics?
22. Which type of polarization of electromagnetic wave is used in TV transmission?
23. What is the full form of PAL?
24. Which material is used as cathode in OLED?
25. What is the operating voltage of the video amplifier stage?

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