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NCTI CONSUMER DIGITAL ELECTRONICS QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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NCTI CONSUMER DIGITAL ELECTRONICS QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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Name: Score:86 Multiple choice questions
Term 1 of 86
What common device normally used by an installer during the installation of an additional TV
outlet, is found inside the VCR and is part of the A/B switch?
Pits.
Line level.
Polarized light.
Two-way splitter.
Term 2 of 86
List the order of preference when making analog connections to an analog TV?
(1) Verify normal TV operation; (2) locate and select the TV RF input connector; (3) check
and/or adjust certain TV settings and determine if the TV set is cable-ready; and (4), if
requested, adjust picture controls.
Music in digital form provides higher quality sound, with features not available when
transported in analog form
(1) Component video; (2) S-video; (3) composite video; and (4) radio frequency (RF).
The multiple sub-Nyquist sampling encoding (MUSE) system.
,Term 3 of 86
Three methods are used to store writable data on a digital versatile disc (DVD): changing the
reflective properties of a dye on the disc layer; changing the reflective properties of a
crystalline structure on the disc; and/or changing the magnetic properties of the disc. In each
case, light from a laser causes the change to occur. Which method is also used for storing data
on DVD-RW and DVD+RW discs?
Speakers capable of sound with spatial characteristics.
The crystalline-changing (also known as phase change) method.
The depth of the data image on the disc surface.
Both use transition-minimized differential signaling (TMDS).
Term 4 of 86
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).
The Amplitude Of The Sound wave.
Both Use Transition-minimized Differential Signaling (tmds).
The pillarbox setting.
Term 5 of 86
What is added to a rear-projection cathode ray tube (CRT) display in order to support a 16:9
aspect ratio, and become high definition TV (HDTV)-ready?
) RCA cables provided by the customer are sometimes of questionable quality.
A digital-to-analog (D/A) converter is added prior to the CRT's electron gun stage.
An installed and authorized CableCARD.
Additional speakers have been placed three or four feet above the front left- and right-
main speakers.
,Term 6 of 86
A 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)?
DLP images are brighter than those formed from LCD and LCoS technologies.
The crystalline-changing (also known as phase change) method.
Liquid crystal display (LCD)
The higher the gain, the lower the viewing angle.
Term 7 of 86
What types of parental control guidelines are provided for online video games?
Games accessed online carry the notice 'Online Interactions Not Rated by the
Entertainment Software Rating Board (ESRB),' warning players about possible exposure
to chat (text, audio, video) or other types of user-generated content outside of the ESRB
rating assignment.
When connected to the Internet, the video game console can be used to access and
receive data streams containing digital games, movies, and TV shows.
Make sure the consumer electronics selector switch is in the correct position, check the
batteries and reprogram the remote control.
The A/V receiver processes and boosts analog and digital audio signals, processes
analog and digital video signals, and provides central control and expanded input
capability to the television.
, Term 8 of 86
What are the primary things to check when troubleshooting a remote control?
The A/V receiver processes and boosts analog and digital audio signals, processes
analog and digital video signals, and provides central control and expanded input
capability to the television.
In most situations, the digital interfaces offer the simplest connection options, while
providing the highest quality pictures and audio.
Make sure the consumer electronics selector switch is in the correct position, check the
batteries and reprogram the remote control.
When connected to the Internet, the video game console can be used to access and
receive data streams containing digital games, movies, and TV shows.
Term 9 of 86
What could prevent a consumer electronic device from being able to record, playback, or
display digital content?
Because most STBs have a minimal, or no operating system, the EPG is a middleware
application that ties the STB firmware and hardware functions to the user.
Complete the table, matching the output connection number field to the desired input
connection field, and then show the table to the customer for approval.
The use of progressive scanning mode in EDTV.
Device copy protection that is incompatible with the licensed copy protection
embedded within the content.
Term 10 of 86
What information about the sound wave must be determined first, before the sampling A/D
(analog-to-digital) process can begin?
The amplitude of the sound wave.
The pillarbox setting.
The loudness of the sound wave.
The frequency of the sound wave.
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