AND ANSWERS GRADED A+
✔✔What is a circuit's bandwidth? - ✔✔the range of frequencies a circuit can detect
✔✔Which is usually the brightest light on a subject in a three-point lighting system? -
✔✔Key
✔✔For a video display that requires detailed viewing, the position of the farthest viewer
can be calculated using. - ✔✔The DISCAS formulas
✔✔The _____ model is a guide that assists with conforming network communications
and their processes to ISO standards. - ✔✔OSI
✔✔Which of the following is the hardware address of a device connected to a network?
- ✔✔MAC
✔✔Because digital video is transported as a component signal, it is ___ than composite
analog video. - ✔✔Higher quality
✔✔Which of the following statements describes a DC circuit? - ✔✔current in a DC
circuit flows in one direction only
✔✔What acoustical property does this image represent? - ✔✔Transmission
✔✔What type of audio processor passes very little or no additional level when the input
signal level exceeds the threshold level? - ✔✔Limiter
✔✔In Ohm's Law, voltage may be represented as "V" for volts. What other variable can
represent voltage? - ✔✔"E" for Electromotive force
✔✔The second conductor of an unbalanced circuit _____. - ✔✔Is a shield around the
wire used as the electrical circuit's return path
✔✔What is the primary reason for electrical codes and regulations? - ✔✔to safeguard
persons and property
✔✔Which of the following display technologies are transmissive? - ✔✔LCD
✔✔What type of connector is pictured below? - ✔✔HDMI, used to carry high definition
video, multi-channel digital audio, and control signals
, ✔✔Resistance and impedance are quantified and expressed using what term(s)? -
✔✔Ohms are used for both resistance and impedance
✔✔What type of microphone polar pattern picks up sound primarily from the front? -
✔✔Cardioid
✔✔Which of the following is a role of the DHCP server? - ✔✔ensuring that no two
devices receive the same IP address
✔✔What is the light source of an OLED? - ✔✔The OLED itself
✔✔A _____ connects different types of networks. - ✔✔bridge
✔✔The DISCAS standard matters because _______. - ✔✔It successfully determines
the position and size of a display to support all viewers in a space.
✔✔If voltage stayed the same and current increased, resistance would have _____. -
✔✔decrease
✔✔If the start frequency is 6 MHz, and the end frequency is 18 MHz, what is the
bandwidth? - ✔✔12 MHz
✔✔Which of the following statements accurately describes unidirectional control
communication? - ✔✔Unidirectional communication does not verify the receipt of
commands.
✔✔What is an advantage of lossless compression? - ✔✔Files can be opened and
recompressed repeatedly without data loss.
✔✔The microphone frequency response specification _____. (Choose all that apply.) -
✔✔defines the relative electrical output level of the microphone over an audible
frequency spectrum
✔✔The loudspeakers in a distributed system are located ____. - ✔✔at regularly spaced
intervals throughout the listening area
✔✔The Inverse Square Law states that every time the distance _____ from the source
of the energy, the energy spreads to cover _____ the previous area. - ✔✔double ; four
times
✔✔The quality of digital recordings will _____ as more copies are made. - ✔✔Remains
the same