PTG AVIXA
Question 1.
To capture an analog signal accurately, the sampling rate must be at least ________ the frequency?
ANSWER
Twice
Question 2.
What is the advantage of lossless compression?
ANSWER
Files can be opened and recompressed re-peatedly without data loss
Question 3.
What is an advantage for using IPv6 over IPv4?
ANSWER
more available addresses than IPv4
Question 4.
Type of environment most likely to produce acoustic reverberations
ANSWER
large rooms with many hard surfaces
Question 5.
The quality of digital recordings will _____ as more copies are made.
ANSWER
remain the same
Question 6.
What is throw distance?
ANSWER
the distance between the screen and the projector
Question 7.
Frequencies in the spectrum of human hearing can be divided into ten bands, each representing _____.
ANSWER
1 octave
, Question 8.
What type of microphone polar pattern picks up sound primarily from the front?
ANSWER
cardiod
Question 9.
What can most affect the success of a pro-jection system in a room?
ANSWER
room lighting, ambient light, projector brightness
Question 10.
What is a mix-minus system?
ANSWER
A sound reinforcement system where each listener hears a mix of the microphone signals, minus the closest microphone(s).
Question 11.
The _____ model is a guide that assists with conforming network communications and their processes to ISO standards.
ANSWER
OSI
Question 12.
What type of wave has the highest frequency in the range of the electromagnetic spectrum?
ANSWER
ultraviolet
Question 13.
What type of connectors are pictured below?
ANSWER
Euroblock connectors designed with screws to secure the conductors (also called phoenix)
Question 14.
Which type of loudspeaker is typically used to reproduce mid to high frequency sounds?
ANSWER
horn
Question 15.
What type of connector is pictured below?
ANSWER
HDMI connector, used to carry high definition video, multi-channel digital audio, and control signals
Question 1.
To capture an analog signal accurately, the sampling rate must be at least ________ the frequency?
ANSWER
Twice
Question 2.
What is the advantage of lossless compression?
ANSWER
Files can be opened and recompressed re-peatedly without data loss
Question 3.
What is an advantage for using IPv6 over IPv4?
ANSWER
more available addresses than IPv4
Question 4.
Type of environment most likely to produce acoustic reverberations
ANSWER
large rooms with many hard surfaces
Question 5.
The quality of digital recordings will _____ as more copies are made.
ANSWER
remain the same
Question 6.
What is throw distance?
ANSWER
the distance between the screen and the projector
Question 7.
Frequencies in the spectrum of human hearing can be divided into ten bands, each representing _____.
ANSWER
1 octave
, Question 8.
What type of microphone polar pattern picks up sound primarily from the front?
ANSWER
cardiod
Question 9.
What can most affect the success of a pro-jection system in a room?
ANSWER
room lighting, ambient light, projector brightness
Question 10.
What is a mix-minus system?
ANSWER
A sound reinforcement system where each listener hears a mix of the microphone signals, minus the closest microphone(s).
Question 11.
The _____ model is a guide that assists with conforming network communications and their processes to ISO standards.
ANSWER
OSI
Question 12.
What type of wave has the highest frequency in the range of the electromagnetic spectrum?
ANSWER
ultraviolet
Question 13.
What type of connectors are pictured below?
ANSWER
Euroblock connectors designed with screws to secure the conductors (also called phoenix)
Question 14.
Which type of loudspeaker is typically used to reproduce mid to high frequency sounds?
ANSWER
horn
Question 15.
What type of connector is pictured below?
ANSWER
HDMI connector, used to carry high definition video, multi-channel digital audio, and control signals
