AND 100% CORRECT WELL DETAILED
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 of the following is used for connecting peripheral devices (keyboard, mouse) to
computers, as well as for power to charge portable devices? - ANSWER USB
1
,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
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)
2
, 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 referred to as the safety zone that allows audio peaks to exceed
the nominal level without clipping? - 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? - ANSWER Ducking
Which of the following is the last link of the audio signal path? - 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? - ANSWER 1128 feet/second (343
meters/second)
The rate at which the sound vibrations repeat is called: - ANSWER Frequency
3
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 of the following is used for connecting peripheral devices (keyboard, mouse) to
computers, as well as for power to charge portable devices? - ANSWER USB
1
,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
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)
2
, 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 referred to as the safety zone that allows audio peaks to exceed
the nominal level without clipping? - 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? - ANSWER Ducking
Which of the following is the last link of the audio signal path? - 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? - ANSWER 1128 feet/second (343
meters/second)
The rate at which the sound vibrations repeat is called: - ANSWER Frequency
3
