ANSWERS GRADED A+
✔✔doubled - ✔✔The area of illumination increases four times when the distance
between the light source and the illuminated area is _____.
✔✔white - ✔✔What color is perceived when bright red, blue, and green light are mixed
together?
✔✔A group of functions activated by a single control input - ✔✔What is a macro in a
control system?
✔✔red - ✔✔If the color temperature is low, the light will appear to be more _____.
✔✔twice - ✔✔In order to capture an analog signal accurately, the sampling rate must be
at least _____ the frequency.
✔✔fall below a set threshold - ✔✔A gate function automatically mutes all audio signals
that _____.
✔✔increases - ✔✔If the resolution of an image is increased, and sampling rate remains
the same, the signal bandwidth _____.
✔✔to safeguard persons and property - ✔✔What is the primary reason for electrical
codes and regulations?
✔✔gray - ✔✔If the brightness level of a display is too high, the black areas of the image
will appear _____.
✔✔flow through the entire circuit - ✔✔In a series circuit, all of the current will _____.
✔✔specular reflection - ✔✔What is a mirror-like image of sound energy that reflects
most energy back in a single direction?
✔✔limiter - ✔✔What type of audio processor passes very little or no additional level
when the input signal level exceeds the threshold level?
✔✔frequency - ✔✔RF wireless microphones typically allow the user to change _____ in
order to avoid interference from outside sources or other wireless microphones.
✔✔OSI - ✔✔The _____ model is a guide that assists with conforming network
communications and their processes to ISO standards.
✔✔Kelvin - ✔✔The measurement of color temperature is expressed in _____.
, ✔✔is a shield around the wire used as the electrical circuit's return path - ✔✔The
second conductor of an unbalanced circuit _____.
✔✔inversely proportional - ✔✔The relationship between current and resistance is
always _____.
✔✔are designed to work together to meet a communications need - ✔✔An AV system
is best defined as two or more pieces of equipment that _____.
✔✔Unidirectional communication does not verify the receipt of commands. - ✔✔Which
of the following statements accurately describes unidirectional control communication?
✔✔doubles; four times - ✔✔The Inverse Square Law states that every time the distance
_____ from the source of the energy, the energy spreads to cover _____ the previous
area.
✔✔HDMI, DisplayPort, DVI - ✔✔Which video connectors can be found on digital
computer monitors?
✔✔condenser - ✔✔Which type of microphone requires phantom power to operate?
✔✔"E" for Electromotive force - ✔✔In Ohm's Law, voltage may be represented as "V"
for volts. What other variable can represent voltage?
✔✔the DISCAS formulas - ✔✔For a video display that requires detailed viewing, the
position of the farthest viewer can be calculated using.
✔✔6 dB - ✔✔How much is sound pressure reduced every time the distance from the
source is doubled?
✔✔the quantity of information over time in a digital signal - ✔✔What is bit rate?
✔✔When light rays pass through the edges of a lens - ✔✔When does spherical
aberration occur?
✔✔replaces serial and parallel ports - ✔✔Which of these are attributes of USB ports for
control?
✔✔It successfully determines the position and size of a display to support all viewers in
a space. - ✔✔The DISCAS standard matters because _______.
✔✔attenuation - ✔✔To perform _____ upon an audio signal is to reduce its