COMPLETE 200 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+!!!!.
AVIXA
decrease in signal strength or amplitude - - ANS - -A signal transmitted at the
proper level will _____ over distance.
decrease in signal strength or amplitude
pick up additional harmonics to the fundamental frequency
decrease in signal frequency
maintain signal level
decreased - - ANS - -If voltage stayed the same and current increased, resistance
would have _____.
increased
stayed the same
reversd polarity
decreased
LCD - - ANS - -Which of the following display technologies are transmissive?
Virtual reality headsets
Interactive whiteboards
,LCD
LED
It lights the background and adds depth - - ANS - -What is the purpose of a wall
wash in a three-point lighting system?
It fills in shadows cast by other lights
It is the brightest light on the subject
It lights the background and adds depth
It creates an outline around the subject to separate it from the background
to determine the most appropriate seating layout and screen position - - ANS - -What
does a sightline study determine?
to determine room size
to determine how many people should be in a room while observing a display
to determine table and chair spacing
to determine the most appropriate seating layout and screen position
capture high sound pressure level sources, such as a singer - - ANS - -Lower
sensitivity microphones may be used in order to _____.
reduce the energy consumption of an audio system
save money in applications where audio is unimportant
capture low sound pressure level sources, such as a soft-spoken presenter
capture high sound pressure level sources, such as a singer
,the number of times a complete cycle occurs per second - - ANS - -What is the
definition of "frequency?"
the cycle when molecules move from rest through compression to rest to rarefaction
the physical distance between two points of a waveform
the number of times a complete cycle occurs per second
the intensity or loudness of a sound in a particular medium
They are used for speech applications, such as meetings. - - ANS - -Which of the
following statements about automatic mixers in audio applications is true?
They are used for speech applications, such as meetings.
They only work for program audio applications, such as music.
They can only adjust one channel at a time.
They require live personnel for operation.
ultraviolet - - ANS - -What type of wave has the highest frequency in the range of the
electromagnetic spectrum?
ultraviolet
infrared
microwaves
radio frequencies
carrier frequency - - ANS - -The dimensions of antennas used for RF transmission
are directly related to the _____.
carrier frequency
retransmit location
, program content
height of the antenna above the ground
kept separate in order to preserve the best quality - - ANS - -The R, G, and B video
signals in an analog computer display output are typically ____.
combined into a composite video signal
kept separate in order to preserve the best quality
transmitted as radio waves
transmitted as IP packets
IPv6 has more available addresses than IPv4. - - ANS - -What is an advantage for
using IPv6 over IPv4?
IPv6 addresses are easier to remember than IPv4 addresses.
IPv6 has more available addresses than IPv4.
IPv6 is more widely used than IPv4.
IPv6 uses a simpler numbering format than IPv4.
Amount a cable can be bent before the signal is compromised or the conductor is
damaged - - ANS - -A cable's bend radius is best defined as the _____.
Amount a cable can be bent before the signal is compromised or the conductor is
damaged
Strength of the electromagnetic field surrounding the cable with 1 A of current
running through it
Number of times the cable can be bent before its central conductor breaks
Thickness of the cable, as measured from the center to the outer jacket