What is the purpose of the program report and what factors should be addressed in it? - Provide
interpretation of user AV needs and functional description of the systems (?)
A _____ controls incoming and outgoing network traffic and determines what will be allowed through
based on a set of security rules. - Firewall
A noise is introduced to a(n) ______ signal, discerning circuitry can determine if the signal is intended to
be high or low, and then retransmit a solid signal without the imposed noise. - Digital
The simultaneous use of multiple wireless microphones systems requires _______. - Frequency
coordination.
In a digital signal, the on state is represented by ______ , and the off state is represented by a ______. -
One, Zero
A signal that has many varying states is called a (n) _____ signal. - Analog
Bit depth is defined as the number of ______ you have in which to describe the value. - States
Standard DV cameras usually compress at a ratio of ________ - 5:1
What is a codec? - A Codec is a device of computer program that encodes and decodes file
information.
Noise overcomes the signal after many generations of reamplification of a(n) _____ signal. -
Analog
How sound moves though the air is called _______/. - Propagation
,Wavelength is the ______ . - Physical distance between tow points of a waveform that are exactly
one cycle apart
Which of the following does 0 dB SPL describe - The threshold of human hearing
A "just noticeable" change in sound pressure level, either louder or softer requires a _______ change. -
+/- 3dB
Acoustics covers how sound is _____ and its ____ and _____. - Produced, propagation, control
Numerous, persistent reflections of sound are called _____. - Reverberation
Ambient noise is sound that _____ before being converted back into acoustical energy. - Output
device
The strength of the electrical audio signal from a microphones i called a(n) _____ - level signal. -
Mic
Phantom power is the _____ required to power a condenser microphone. - Remote Power
Typically, what type of connector finishes the shielded twisted-pair cable? - XLR
If a technician changes the level of a signal, it is called _____./ - Gain adjustment
The amplifier comes right before _____ in the audio system chain. - Loudspeakers
What is a crossover? - An electrical frequency dividing network circuit
,Light waves are categorized by their _____/ - Wavelength
Generally a _____ measurement is taken at a task area like a video screen. - Lux
Perceived illumination decreases by _____ when the distance form a light source is doubled. - 75
Percent
The amount of ambient light in a displayed environment _____/ - Negatively affects the quality of
the displayed image
In the component video signal, the _____ signal is combined with the _____ information. - Sync, Y
In composite video, which of the following "shares" the luminance space? - Chrominance
Four factors related to primary optics that influence the quality of the projected image are ______. -
Refraction,dispersion, spherical aberration, and curvature of field
Three major formats of digital connections are ______./ - DVI, HDMI, and Display Port
To measure the bandwidth of an image, you will need a ________. - Spectrum Analyzer
Rear-screen display applications are considered _____. - Transmissive
LCD's first pass light thought a _____, which blocks certain light waves. - Polarizer
When selecting a display type, what should be you r first step? - Determine what you want to
display.
The ____ the gain number of a screen, the ___ the image. - higher; brighter
, What quality would the image have if the phase setting of a display needs adjusting? - Fuzzy
Details
The formula for an ANSI lumen rating is _______. - L = SH x SW x AF (average foot-candles)
Which of the following networks connect devices in sequence along a linear path? - BUS
What type of network uses packets? - Ethernet
What happens to the connection speed in a Wi-Fi connections if the signal strength declines? -
Slows Down
Which of the following is a type of fiber-optic cable identified by its yellow outer jacket? - Single
Mode
The ____ model is a guide that assists with conforming network communications and their processes to
standards. - OSI Reference
In the OSI model, cabling and patch-bays are elements of _____. - Layer 1, the Physical Layer
A ____ address is unique to every device and identifies a network's equipment. - MAC
IP deals with which of the following on a network? - Addresses
An IPv6 address uses _____ groups of four hexadecimal numbers - Eight
Subnet Masks can indicate how many ____ are allowed on the network. - Devices