NCTI REVIEW CONSUMER DIGITAL
ELECTRONICS EXAM QUESTIONS AND
ANSWERS
The National Television System Committee (NTSC) -
correct answer ✅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?
Quadrature Amplitude Modulation (QAM) -
correct answer ✅What 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 answer ✅What 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 answer ✅What legislation required all television stations
switch to digital -only broadcasting?
DTAs do not communicate RF signal upstream. -
correct answer ✅Why are digital terminal adapters (DTA) more
cost effective than a full- featured set-top-box (STB)?
,NCTI REVIEW CONSUMER DIGITAL
ELECTRONICS EXAM QUESTIONS AND
ANSWERS
Eight-level vestigial sideband (8-VSB). -
correct answer ✅What terrestrial transmission technology did the
Advanced Television Committee (ATSC) select?
The multiple sub-Nyquist sampling encoding (MUSE) system. -
correct answer ✅Which 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 answer ✅How do set-top-boxes (STBs) Typically connect to
high definition televisions (HDTV) to provide the best picture
quality?
The digital terminal adapter (DTA) -
correct answer ✅What inexpensive device is used by cable
operators to provide digital TV (DTV) services to all of their
customers?
, NCTI REVIEW CONSUMER DIGITAL
ELECTRONICS EXAM QUESTIONS AND
ANSWERS
Conditional Access (CA) -
correct answer ✅Which 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 answer ✅Which statement below is correct in describing
the internal process of a cathode ray tube (CRT)?
Liquid crystal display (LCD) -
correct answer ✅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?
Polarized Light. -
correct answer ✅The 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?
ELECTRONICS EXAM QUESTIONS AND
ANSWERS
The National Television System Committee (NTSC) -
correct answer ✅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?
Quadrature Amplitude Modulation (QAM) -
correct answer ✅What 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 answer ✅What 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 answer ✅What legislation required all television stations
switch to digital -only broadcasting?
DTAs do not communicate RF signal upstream. -
correct answer ✅Why are digital terminal adapters (DTA) more
cost effective than a full- featured set-top-box (STB)?
,NCTI REVIEW CONSUMER DIGITAL
ELECTRONICS EXAM QUESTIONS AND
ANSWERS
Eight-level vestigial sideband (8-VSB). -
correct answer ✅What terrestrial transmission technology did the
Advanced Television Committee (ATSC) select?
The multiple sub-Nyquist sampling encoding (MUSE) system. -
correct answer ✅Which 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 answer ✅How do set-top-boxes (STBs) Typically connect to
high definition televisions (HDTV) to provide the best picture
quality?
The digital terminal adapter (DTA) -
correct answer ✅What inexpensive device is used by cable
operators to provide digital TV (DTV) services to all of their
customers?
, NCTI REVIEW CONSUMER DIGITAL
ELECTRONICS EXAM QUESTIONS AND
ANSWERS
Conditional Access (CA) -
correct answer ✅Which 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 answer ✅Which statement below is correct in describing
the internal process of a cathode ray tube (CRT)?
Liquid crystal display (LCD) -
correct answer ✅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?
Polarized Light. -
correct answer ✅The 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?
