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Extron AV Associate Cert Exam With Complete Solutions
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Extron AV Associate Cert Exam With Complete Solutions
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Extron AV Associate Cert Exam WithComplete Solutions
The human eye can differentiate individual picture frames at which of the following
rates? CORRECT ANSWERS 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 ANSWERS Projector
Which of the following is the smallest component of a digital image, composed of
individual Red, Green, and Blue - RGB color elements? CORRECT ANSWERS Pixel
Chroma Subsampling is a form of: CORRECT ANSWERS 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 ANSWERS True
Which of the following describes how often the display can redraw the screen to show a
new image? CORRECT ANSWERS Refresh Rate
Which of the following interfaces renders images as micro packets similar to network
data? CORRECT ANSWERS 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 ANSWERS
USB
Which one of the following describes the relationship of width and height of an image?
CORRECT ANSWERS Aspect Ratio
Which one of the following measures an image's width and height using pixels?
CORRECT ANSWERS 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 ANSWERS OLED
Which one of the following is a reflective surface made up of thousands of tiny mirrors,
each representing a single pixel? CORRECT ANSWERS 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 ANSWERS Pixels
, Interlaced scanning may be described as: CORRECT ANSWERS 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 ANSWERS 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 ANSWERS HDMI (High Definition Multimedia Interface)
Which one of the following digital broadcast standards is adopted in Europe, Asia, and
Africa? CORRECT ANSWERS DVB (Digital Video Broadcasting)
DVI and HDMI both use a signaling method known as: CORRECT ANSWERS 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 ANSWERS Acoustics
Which of the following represents a logarithmic ratio to measure the change in sound
intensity or electric signals? CORRECT ANSWERS 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
ANSWERS Balanced cables
Which of the following connector is commonly used for twisted pair cabling that carries
digital audio over the network? CORRECT ANSWERS 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 ANSWERS
Microphone
Which of the following is referred to as the safety zone that allows audio peaks to
exceed the nominal level without clipping? CORRECT ANSWERS 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
ANSWERS Ducking
Which of the following is the last link of the audio signal path? CORRECT ANSWERS
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 ANSWERS 1128 feet/second
(343 meters/second)
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