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NCTI Consumer Digital Electronics Questions and Answers Already Passed

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NCTI Consumer Digital Electronics Questions and Answers Already Passed What is the name of the group that established the initial technical standards for the television industry, ensuring a single ... system would deliver consistent service across the nation? ✔✔The National Television System Committee (NTSC). What signal modulation technique do cable operators use to transport digital television signals through the cable network? ✔✔Quadrature amplitude modulation (QAM). What is the major change in enhanced definition TV (EDTV) that improved picture quality over standard definition TV (SDTV)? ✔✔The use of progressive scanning mode in EDTV. What legislation required all television stations switch to digital-only broadcasting? ✔✔The U.S. Deficit Reduction Act. Why are digital terminal adapters (DTA) more cost effective than a full-featured set-top box (STB)? ✔✔DTAs do not communicate RF upstream.. What terrestrial transmission technology did the Advanced Television Systems Committee (ATSC) select?. ✔✔8-level vestigial sideband (8-VSB) Which system advanced television to high definition (HD)? ✔✔The multiple sub-Nyquist sampling encoding (MUSE) system. How do set-top boxes (STB) typically connect to high definition televisions (HDTV) to provide the best picture quality? ✔✔To provide the best HD picture, STBs typically connect to HDTVs via a High-Definition Multimedia Interface (HDMI). What inexpensive device is used by cable operators to provide digital TV (DTV) services to all of their customers? ✔✔A digital terminal adapter (DTA). Which technology enables cable operators to control access to services by encrypting the programming? ✔✔Conditional access (CA). Which statement below is correct in describing the internal process of a cathode ray tube (CRT)? ✔✔Magnetically directed electron beams, from electron guns, horizontally move back and forth, sending electron beams through a shadow mask. Which type of TV technology had to overcome early disadvantages such as weak contrast, a lag or trail effect where fast-moving images appear to "smear" and screen door effect where viewers see a visible pixel structure at close range? ✔✔Liquid crystal display (LCD) The liquid crystal in liquid crystal display (LCD) technology is su [Show More]

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