The human eye can differentiate individual picture frames at which of the following rates? - 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? -
Answers Projector
Which of the following is the smallest component of a digital image, composed of individual Red, Green,
and Blue - RGB color elements? - Answers Pixel
Chroma Subsampling is a form of: - 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. - Answers True
Which of the following describes how often the display can redraw the screen to show a new image? -
Answers Refresh Rate
Which of the following interfaces renders images as micro packets similar to network data? - 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? - Answers USB
Which one of the following describes the relationship of width and height of an image? - Answers Aspect
Ratio
Which one of the following measures an image's width and height using pixels? - 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? - Answers OLED
Which one of the following is a reflective surface made up of thousands of tiny mirrors, each
representing a single pixel? - 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? - Answers Pixels
Interlaced scanning may be described as: - 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? -
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? - Answers
HDMI (High Definition Multimedia Interface)
Which one of the following digital broadcast standards is adopted in Europe, Asia, and Africa? - Answers
DVB (Digital Video Broadcasting)
DVI and HDMI both use a signaling method known as: - 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? - Answers Acoustics
Which of the following represents a logarithmic ratio to measure the change in sound intensity or
electric signals? - 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? - Answers Balanced cables
Which of the following connector is commonly used for twisted pair cabling that carries digital audio
over the network? - 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? - Answers Microphone
Which of the following is referred to as the safety zone that allows audio peaks to exceed the nominal
level without clipping? - 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? - Answers Ducking
Which of the following is the last link of the audio signal path? - 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? - Answers 1128 feet/second (343 meters/second)
The rate at which the sound vibrations repeat is called: - Answers Frequency
Which of the following is related to the amount of energy that a sound wave carries? - Answers
Amplitude
Which of the following is a low voltage level that comes out of a microphone when someone speaks into
it? - Answers Mic Level
Which of the following has two conductor wires, one for the hot audio signal, and one for ground? -
Answers Unbalanced cables