NCTI Consumer Digital Electronics questions with correct answers

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? Answer The National Television System Committee (NTSC). What signal modulation technique do cable operators use to transport digital television signals through the cable network? Answer Quadrature amplitude modulation (QAM). What is the major change in enhanced definition TV (EDTV) that improved picture quality over standard definition TV (SDTV)? Answer The use of progressive scanning mode in EDTV. What legislation required all television stations switch to digital-only broadcasting? Answer The U.S. Deficit Reduction Act. Why are digital terminal adapters (DTA) more cost effective than a full-featured set-top box (STB)? Answer DTAs do not communicate RF upstream.. What terrestrial transmission technology did the Advanced Television Systems Committee (ATSC) select?. Answer 8-level vestigial sideband (8-VSB) Which system advanced television to high definition (HD)? Answer The multiple sub-Nyquist sampling encoding (MUSE) system.