Extron AV Associate Cert complete
study set with Questions and correct
Answers
The human eye can differentiate individual picture frames at which of the following rates? -
correct 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? -
correct answer- ✅Projector
Which of the following is the smallest component of a digital image, composed of individual Red,
Green, and Blue - RGB color elements? - correct answer- ✅Pixel
Chroma Subsampling is a form of: - correct 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. - correct answer- ✅True
Which of the following describes how often the display can redraw the screen to show a new
image? - correct answer- ✅Refresh Rate
Which of the following interfaces renders images as micro packets similar to network data? -
correct answer- ✅DisplayPort
Which of the following is used for connecting peripheral devices (keyboard, mouse) to
computers, as well as for power to charge portable devices? - correct answer- ✅USB
Which one of the following describes the relationship of width and height of an image? - correct
answer- ✅Aspect Ratio
Which one of the following measures an image's width and height using pixels? - correct
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? - correct answer- ✅OLED
Which one of the following is a reflective surface made up of thousands of tiny mirrors, each
representing a single pixel? - correct 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? - correct answer- ✅Pixels
Interlaced scanning may be described as: - correct 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? - correct answer- ✅Color Bit Depth
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? - correct answer- ✅HDMI (High Definition Multimedia Interface)
, Which one of the following digital broadcast standards is adopted in Europe, Asia, and Africa? -
correct answer- ✅DVB (Digital Video Broadcasting)
DVI and HDMI both use a signaling method known as: - correct 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? - correct answer- ✅Acoustics
Which of the following represents a logarithmic ratio to measure the change in sound intensity
or electric signals? - correct 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? - correct answer- ✅Balanced
cables
Which of the following connector is commonly used for twisted pair cabling that carries digital
audio over the network? - correct 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? - correct answer- ✅Microphone
Which of the following is referred to as the safety zone that allows audio peaks to exceed the
nominal level without clipping? - correct answer- ✅Headroom
Which of the following is an example of dropping the sound levels for background music, to
focus the audio on an important voice-over announcement? - correct answer- ✅Ducking
Which of the following is the last link of the audio signal path? - correct answer- ✅Loudspeaker
Which of the following is the average rate of speed at which sound travels through air,
measured at sea level and 70F/20C degrees? - correct answer- ✅1128 feet/second (343
meters/second)
The rate at which the sound vibrations repeat is called: - correct answer- ✅Frequency
Which of the following is related to the amount of energy that a sound wave carries? - correct
answer- ✅Amplitude
Which of the following is a low voltage level that comes out of a microphone when someone
speaks into it? - correct answer- ✅Mic Level
Which of the following has two conductor wires, one for the hot audio signal, and one for
ground? - correct 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? - correct answer- ✅Stereo sound signals
When a microphone signal first enters a mixer, which of the following is used to control the input
level of the audio. - correct answer- ✅Gain
Which of the following is designed to capture spoken words limited to the speaker, commonly
found on podiums or in conference rooms and boardrooms? - correct answer- ✅Gooseneck
microphone
study set with Questions and correct
Answers
The human eye can differentiate individual picture frames at which of the following rates? -
correct 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? -
correct answer- ✅Projector
Which of the following is the smallest component of a digital image, composed of individual Red,
Green, and Blue - RGB color elements? - correct answer- ✅Pixel
Chroma Subsampling is a form of: - correct 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. - correct answer- ✅True
Which of the following describes how often the display can redraw the screen to show a new
image? - correct answer- ✅Refresh Rate
Which of the following interfaces renders images as micro packets similar to network data? -
correct answer- ✅DisplayPort
Which of the following is used for connecting peripheral devices (keyboard, mouse) to
computers, as well as for power to charge portable devices? - correct answer- ✅USB
Which one of the following describes the relationship of width and height of an image? - correct
answer- ✅Aspect Ratio
Which one of the following measures an image's width and height using pixels? - correct
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? - correct answer- ✅OLED
Which one of the following is a reflective surface made up of thousands of tiny mirrors, each
representing a single pixel? - correct 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? - correct answer- ✅Pixels
Interlaced scanning may be described as: - correct 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? - correct answer- ✅Color Bit Depth
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? - correct answer- ✅HDMI (High Definition Multimedia Interface)
, Which one of the following digital broadcast standards is adopted in Europe, Asia, and Africa? -
correct answer- ✅DVB (Digital Video Broadcasting)
DVI and HDMI both use a signaling method known as: - correct 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? - correct answer- ✅Acoustics
Which of the following represents a logarithmic ratio to measure the change in sound intensity
or electric signals? - correct 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? - correct answer- ✅Balanced
cables
Which of the following connector is commonly used for twisted pair cabling that carries digital
audio over the network? - correct 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? - correct answer- ✅Microphone
Which of the following is referred to as the safety zone that allows audio peaks to exceed the
nominal level without clipping? - correct answer- ✅Headroom
Which of the following is an example of dropping the sound levels for background music, to
focus the audio on an important voice-over announcement? - correct answer- ✅Ducking
Which of the following is the last link of the audio signal path? - correct answer- ✅Loudspeaker
Which of the following is the average rate of speed at which sound travels through air,
measured at sea level and 70F/20C degrees? - correct answer- ✅1128 feet/second (343
meters/second)
The rate at which the sound vibrations repeat is called: - correct answer- ✅Frequency
Which of the following is related to the amount of energy that a sound wave carries? - correct
answer- ✅Amplitude
Which of the following is a low voltage level that comes out of a microphone when someone
speaks into it? - correct answer- ✅Mic Level
Which of the following has two conductor wires, one for the hot audio signal, and one for
ground? - correct 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? - correct answer- ✅Stereo sound signals
When a microphone signal first enters a mixer, which of the following is used to control the input
level of the audio. - correct answer- ✅Gain
Which of the following is designed to capture spoken words limited to the speaker, commonly
found on podiums or in conference rooms and boardrooms? - correct answer- ✅Gooseneck
microphone
