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NCTI REVIEW CONSUMER DIGITAL ELECTRONICS EXAM 2023 WITH 100% CORRECT ANSWERS
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NCTI REVIEW CONSUMER DIGITAL ELECTRONICS
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NCTI REVIEW CONSUMER DIGITALELECTRONICS
The National Television System Committee (NTSC) - correct answerWhat 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?
Quadrature Amplitude Modulation (QAM) - correct answerWhat signal modulation technique do cable
operators use to transport digital television signals through the cable network?
The use of progressive scanning mode in EDTV. - correct answerWhat is the major change in enhance
definition tv (EDTV) that improved picture quality over standard definition tv (SDTV)?
The U.S. Deficit Reduction Act. - correct answerWhat legislation required all television stations switch to
digital -only broadcasting?
DTAs do not communicate RF signal upstream. - correct answerWhy are digital terminal adapters (DTA)
more cost effective than a full- featured set-top-box (STB)?
8-level vestigial sideband (8-VSB). - correct answerWhat terrestrial transmission technology did the
Advanced Television Committee (ATSC) select?
The multiple sub-Nyquist sampling encoding (MUSE) system. - correct answerWhich system advanced
television to high definition (HD)?
To provide the best HD picture, STBs typically connect to HDTVs via a High -Definition Multimedia
Interface(HDMI). - correct answerHow do set-top-boxes (STBs) Typically connect to high definition
televisions (HDTV) to provide the best picture quality?
The digital terminal adapter (DTA) - correct answerWhat inexpensive device is used by cable operators
to provide digital TV (DTV) services to all of their customers?
, Conditional Access (CA) - correct answerWhich technology enables cable operators to control access to
services by encrypting the programming?
Magnetically directed electron beams, from electron guns, horizontally move back and forth, sending
electron beams through a shadow mask. - correct answerWhich statement below is correct in describing
the internal process of a cathode ray tube (CRT)?
Liquid crystal display (LCD) - correct answerWhich 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?
Polarized Light. - correct answerThe liquid crystal in liquid crystal display (LCD) technology is suspended
between two glass plates and the crystals are normally in a twisted configuration. What type of light
follows the orientation of the crystals, and is allowed to pass through?
The size of the screen - correct answerProjection technology enables larger displays than those of flat
panel or direct view TV sets. With rear-projection TV sets, what does the depth of the TV set depend on?
DLP images are brighter than those formed from LCD and LCoS technologies. - correct answerA
customer is interested in purchasing a projection display and asks how DLP compares to other
technologies. How does DLP technology compare to liquid crystal display (LCD) technology and related
technologies, such as liquid crystal on silicon (LCoS)?
Liquid crystal display (LCD) - correct answerA customer is interested in purchasing a video projector and
asks about the different video display technologies. Which video display technology has strength that
include high color saturation and color accuracy?
The higher the gain, the lower the viewing angle. - correct answerWhile much time and attention can be
spent choosing a video projector technology, choosing the correct screen should play an equal role in
the home theater experience. Viewing angle and gain are key parameters when choosing a screen. How
does gain relate to viewing angle?
Color, brightness, wide viewing angle, durability, a thin light profile, and low energy consumption make
OLED technology an attractive alternative to other television technologies. - correct answerWhat
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