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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?
Two-way splitter.
Color saturation and tint.
The size of the screen
Digital Processor
Term 2 of 86
Why must the electronic program guide (EPG) be loaded into most digital set-top boxes' (STB)
memory, before the box can be functional?
To provide the best HD picture, STBs typically connect to HDTVs via a High-Definition
Multimedia Interface (HDMI).
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.
Make sure the consumer electronics selector switch is in the correct position, check the
batteries and reprogram the remote control.
The use of progressive scanning mode in EDTV.
,Term 3 of 86
What is one aspect that is common between digital video interface (DVI) and High-Definition
Multimedia Interface (HDMI) signaling?
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.
Color saturation and tint.
Line level.
Both use transition-minimized differential signaling (TMDS).
Term 4 of 86
The Advanced Television Systems Committee (ATSC) standard A/52, specifies Dolby AC-3 to
substantially reduce the amount of digital information for the compressed (or encoded)
representation of the original audio signal. What aspect of the A/52 standard allows for
proprietary, vendor-specific implementations?
Content Scramble System (CSS) and Content Protection for Prerecorded Media (CPPM).
Implementation of AC-3 codecs.
Custom integrated circuit (IC) development.
Channel mapping.
Term 5 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?
The crystalline-changing (also known as phase change) method.
The higher the gain, the lower the viewing angle.
The use of progressive scanning mode in EDTV.
The color temperature
,Term 6 of 86
What are the main sound quality advantages when using bi-wiring for connecting speakers?
To provide the best HD picture, STBs typically connect to HDTVs via a High-Definition
Multimedia Interface (HDMI).
Device copy protection that is incompatible with the licensed copy protection
embedded within the content.
Provides for a cleaner, more efficient transmission and a broader spectrum of sound.
Music in digital form provides higher quality sound, with features not available when
transported in analog form
Term 7 of 86
Which connections standard is used to connect digital terminal adapters (DTA) to high
definition televisions (HDTV)?
The U.S. Deficit Reduction Act.
HDMI
Color saturation and tint.
CableCARD 1.0
Term 8 of 86
What can be said about digital interfaces when connecting consumer electronics devices?
In most situations, the digital interfaces offer the simplest connection options, while
providing the highest quality pictures and audio.
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.
S/PDIF produces a digital signal that is robust and less vulnerable to electrical
interference.
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 9 of 86
What restriction does content protection for recordable media (CPRM) place on authorized
copying of commercial programming onto memory cards?
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.
A copy can only be made from the original source content, making it impossible to copy
the encrypted (protected) programming from one memory card to another.
An installed and authorized CableCARD.
Device copy protection that is incompatible with the licensed high-bandwidth digital
content protection (HDCP) embedded within the content.
Term 10 of 86
What inexpensive device is used by cable operators to provide digital TV (DTV) services to all
of their customers?
8-level vestigial sideband (8-VSB)
The amplitude of the sound wave.
The use of progressive scanning mode in EDTV.
A digital terminal adapter (DTA).
Term 11 of 86
A 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?
DLP images are brighter than those formed from LCD and LCoS technologies.
Color saturation and tint.
An installed and authorized CableCARD.
Liquid crystal display (LCD)
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