EXTRON AV ASSOCIATE EXAM (2 VERSIONS |
CERTIFICATION EXAM AND STUDY GUIDE) 300 QUESTIONS
AND VERIFIED ANSWERS | LATEST UPDATE 2026/2027 |
GRADED A+ | BRAND NEW!!
Which of the following is used for connecting peripheral devices
(keyboard, mouse) to computers, as well as for power to charge portable
devices? - ANSWER- USB
Which one of the following describes the relationship of width and
height of an image? - ANSWER- Aspect Ratio
Which one of the following measures an image's width and height using
pixels? - ANSWER- Resolution
Which one of the following consists of thin organic layers between two
conductors (transparent anode and metallic cathode) that convert electric
current into light? - ANSWER- OLED
Which one of the following is a reflective surface made up of thousands
of tiny mirrors, each representing a single pixel? - ANSWER- DLP
Which one of the following is the smallest component of a screen image,
composed of individual Red, Green, and Blue - RGB primary colors? -
ANSWER- Pixels
,Interlaced scanning may be described as: - ANSWER- Images drawn in
two alternate fields as odd & even numbered lines
Which one of the following indicates the amount of data used per pixel
to present color information? - ANSWER- Color Bit Depth
The human eye can differentiate individual picture frames at which of
the following rates? - ANSWER- 10-12 frames per second
Which of the following projects a ray of light through a lens to display
an image onto a surface? - ANSWER- Projector
Which of the following is the smallest component of a digital image,
composed of individual Red, Green, and Blue - RGB color elements? -
ANSWER- Pixel
Chroma Subsampling is a form of: - ANSWER- Compression
True or False: Progressive Scanning draws each line sequentially from
left to right, creating a full image frame in one pass from top to bottom. -
ANSWER- True
Which of the following describes how often the display can redraw the
screen to show a new image? - ANSWER- Refresh Rate
,Which of the following interfaces renders images as micro packets
similar to network data? - ANSWER- DisplayPort
Which one of the following is a digital transmission interface for
uncompressed video, multi-channel audio, and control data that also
supports High-bandwidth Digital Content Protection - HDCP? -
ANSWER- HDMI (High Definition Multimedia Interface)
Which one of the following digital broadcast standards is adopted in
Europe, Asia, and Africa? - ANSWER- DVB (Digital Video
Broadcasting)
DVI and HDMI both use a signaling method known as: - ANSWER-
TMDS (Transmission-Minimized Differential Signaling)
Which of the following defines the science or study of sound, how it's
created, its ability to travel within a space, and the way it's managed? -
ANSWER- Acoustics
Which of the following represents a logarithmic ratio to measure the
change in sound intensity or electric signals? - ANSWER- Decibel (dB)
Which of the following has a ground wire, and carries analog signals as
one hot wire and one cold wire in reverse polarity to cancel noise and
interference? - ANSWER- Balanced cables
, Which of the following connector is commonly used for twisted pair
cabling that carries digital audio over the network? - ANSWER- RJ-45
Which of the following performs as a transducer, converting one form of
energy to another, and is classified based on how it captures sound? -
ANSWER- Microphone
Which of the following is the average rate of speed at which sound
travels through air, measured at sea level and 70F/20C degrees? -
ANSWER- 1128 feet/second (343 meters/second)
The rate at which the sound vibrations repeat is called: - ANSWER-
Frequency
Which of the following is related to the amount of energy that a sound
wave carries? - ANSWER- Amplitude
Which of the following is a low voltage level that comes out of a
microphone when someone speaks into it? - ANSWER- Mic Level
Which of the following has two conductor wires, one for the hot audio
signal, and one for ground? - ANSWER- Unbalanced cables
Which of the following carries two independent channels for left and
right audio, and creates the impression of sound heard from various
directions? - ANSWER- Stereo sound signals
CERTIFICATION EXAM AND STUDY GUIDE) 300 QUESTIONS
AND VERIFIED ANSWERS | LATEST UPDATE 2026/2027 |
GRADED A+ | BRAND NEW!!
Which of the following is used for connecting peripheral devices
(keyboard, mouse) to computers, as well as for power to charge portable
devices? - ANSWER- USB
Which one of the following describes the relationship of width and
height of an image? - ANSWER- Aspect Ratio
Which one of the following measures an image's width and height using
pixels? - ANSWER- Resolution
Which one of the following consists of thin organic layers between two
conductors (transparent anode and metallic cathode) that convert electric
current into light? - ANSWER- OLED
Which one of the following is a reflective surface made up of thousands
of tiny mirrors, each representing a single pixel? - ANSWER- DLP
Which one of the following is the smallest component of a screen image,
composed of individual Red, Green, and Blue - RGB primary colors? -
ANSWER- Pixels
,Interlaced scanning may be described as: - ANSWER- Images drawn in
two alternate fields as odd & even numbered lines
Which one of the following indicates the amount of data used per pixel
to present color information? - ANSWER- Color Bit Depth
The human eye can differentiate individual picture frames at which of
the following rates? - ANSWER- 10-12 frames per second
Which of the following projects a ray of light through a lens to display
an image onto a surface? - ANSWER- Projector
Which of the following is the smallest component of a digital image,
composed of individual Red, Green, and Blue - RGB color elements? -
ANSWER- Pixel
Chroma Subsampling is a form of: - ANSWER- Compression
True or False: Progressive Scanning draws each line sequentially from
left to right, creating a full image frame in one pass from top to bottom. -
ANSWER- True
Which of the following describes how often the display can redraw the
screen to show a new image? - ANSWER- Refresh Rate
,Which of the following interfaces renders images as micro packets
similar to network data? - ANSWER- DisplayPort
Which one of the following is a digital transmission interface for
uncompressed video, multi-channel audio, and control data that also
supports High-bandwidth Digital Content Protection - HDCP? -
ANSWER- HDMI (High Definition Multimedia Interface)
Which one of the following digital broadcast standards is adopted in
Europe, Asia, and Africa? - ANSWER- DVB (Digital Video
Broadcasting)
DVI and HDMI both use a signaling method known as: - ANSWER-
TMDS (Transmission-Minimized Differential Signaling)
Which of the following defines the science or study of sound, how it's
created, its ability to travel within a space, and the way it's managed? -
ANSWER- Acoustics
Which of the following represents a logarithmic ratio to measure the
change in sound intensity or electric signals? - ANSWER- Decibel (dB)
Which of the following has a ground wire, and carries analog signals as
one hot wire and one cold wire in reverse polarity to cancel noise and
interference? - ANSWER- Balanced cables
, Which of the following connector is commonly used for twisted pair
cabling that carries digital audio over the network? - ANSWER- RJ-45
Which of the following performs as a transducer, converting one form of
energy to another, and is classified based on how it captures sound? -
ANSWER- Microphone
Which of the following is the average rate of speed at which sound
travels through air, measured at sea level and 70F/20C degrees? -
ANSWER- 1128 feet/second (343 meters/second)
The rate at which the sound vibrations repeat is called: - ANSWER-
Frequency
Which of the following is related to the amount of energy that a sound
wave carries? - ANSWER- Amplitude
Which of the following is a low voltage level that comes out of a
microphone when someone speaks into it? - ANSWER- Mic Level
Which of the following has two conductor wires, one for the hot audio
signal, and one for ground? - ANSWER- Unbalanced cables
Which of the following carries two independent channels for left and
right audio, and creates the impression of sound heard from various
directions? - ANSWER- Stereo sound signals
