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IMA Final
Book Deffinitions
62
Other
Not Applicable
11/19/2005

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Term
Abacus
Definition
a manual computing device consisting of a frame holding parallel rods strung with movable counters.
Term
Condenser Microphone
Definition
Used to capture sound via a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves.
Term
Kinetograph
Definition
Machine for the production of motion pictures in which a film carrying successive instantaneous views of a moving scene travels uniformly through the field of a magnifying glass.
Term
Linotype
Definition
Trademark used for a machine that sets type on a metal slug, operated by a keyboard.
Term
Microprocessor
Definition
Integrated circuit that contains the entire central processing unit of a computer on a single chip.
Term
Phonograph
Definition
Instrument for the mechanical registration of audible sounds, as articulate speech, etc.
Term
Transistor
Definition
Small electronic device containing a semiconductor and having at least three electrical contacts, used in a circuit as an amplifier, detector, or switch.
Term
Bit
Definition
A binary digit (one or zero), abbreviated with (b).
Term
Byte
Definition
A stream of eight ones and zeros together. Abbreviated with (B)
Term
Clock Speed
Definition
Speed at which a CPU executes instructions, expressed in hertz.
Term
Expansion Card
Definition
Printed circuit board that can be inserted into a computer to give it added capabilities.
Term
Mainframe
Definition
Very large and expensive computer capable of supporting hundreds, or thousands of users.
Term
Microcomputer
Definition
Stand-Alone computers that evolved from mainframe terminals to contain their own microprocessors.
Term
Minicomputer
Definition
Smaller incarnation of mainframe.
Term
Motherboard
Definition
Main citcuit board of a PC, containing circuitry for the PCU, keyboard, monitor, and often expansion slots for additional cards.
Term
Supercomputer
Definition
Large, complex computer capable of performing an extremely high number of operations per second.
Term
Antinode
Definition
The region or point of maximum amplitude between adjacent nodes.
Term
Compression
Definition
Part of a sound wave that has a higher-than-normal air pressure.
Term
Dead Room
Definition
A space with a few hard acoustical boundaries to reflect sound.
Term
Frequency
Definition
Number of waves passing through a single point in specific time; we hear changes in frequency as changes in pitch.
Term
Interference
Definition
Variation of wave amplitude that occurs when waves of the same or different frequency come together.
Term
Phase
Definition
Measurement of timing differences between two copies of the same wave.
Term
Pitch
Definition
Distinctive quality of sound, dependent primarily on the frequency of the sound waves produced by its source.
Term
Rarefaction
Definition
Part of a sound wave that has lower-than-normal air pressure.
Term
RTA - Real Time Analyzer
Definition
Electronic device used to display sound frequencies visually.
Term
Resonance
Definition
Phenomenon that occurs when the wavelength of a particular frequency is reinforced by its own reflections.
Term
Transmission
Definition
When the energy of a sound wave is absorbed into a boundary and sets it into motion.
Term
AC - Alternating Current
Definition
Electric current that reverses direction in a circuit at regular intervals.
Term
Capacitor
Definition
Stores electrical charge.
Term
DC - Direct Current
Definition
Electric current that flows in one direction only.
Term
Foot Candle
Definition
Amount of illumination produced by a standard candle at a distance of one foot; most commonly used in film and video shoots.
Term
Break
Definition
Short intstrumental passage that is played between the regular vereses or chorus' of a song.
Term
Icon
Definition
Important and recurring physical symbol in a dramatic plot.
Term
Plot Point One
Definition
Major event or action in a drama that moves the audience into the second act.
Term
Luminance
Definition
Brightness component of a video signal, ranging from very dim to very bright.
Term
Binder
Definition
Adhesive component of magnetic tape, which holds the oxide to the backing material.
Term
Channel Path
Definition
One of two paths for an I/O module, controls audi signal being sent to recorder.
Term
Overdubbing
Definition
Supplementary recorded sound is added to previously taped material.
Term
Phantom Power
Definition
Outside power necessary to operate a condenser microphone.
Term
Signal Processor
Definition
Used to alter an audio signal as the signal passes through.
Term
TRS
Definition
Tip Ring Sleeve
Term
Time Bases Processors
Definition
A type of signal processor that controls the timing of an audio signal.
Term
Transducer
Definition
Converts one form of energy to another.
Term
Gain
Definition
Ability to fill a venue with sound devoid of distortion and feedback.
Term
Best Boy Electric
Definition
Gaffer's number one assistant on a film set or location.
Term
Best Boy Grip
Definition
Key grip's number one assistant on a film set or location.
Term
Exhibition Miniatures
Definition
Built and used in the actual filming.
Term
Iris
Definition
Controls the amount of light passing through the light of a camera. REMEMBER: an F-Stop is the # measurement of this.
Term
Production Miniatures
Definition
Small-scale models that are built to check sightlines, etc. for a movie set.
Term
Telecine
Definition
Process of converting film to video for editing.
Term
Time Code
Definition
Frame-Specific address of a film, used for editing.
Term
Bump Maps
Definition
2D images that create the look of textures.
Term
Bus Topology
Definition
A network of devices connected to a central line medium, known as a bus or backbone.
Term
Ethernet
Definition
Most common protocol for LAN networks.
Term
Line Mediums
Definition
Physical pipelines or wires that data travels on.
Term
Pixel
Definition
Smallest independant element used on a monitor screen.
Term
Ring Topology
Definition
Network of devices connected to one another forming a ring.
Term
Star Topology
Definition
Network devices connected to a central hub that acts like a traffic cop, directing the data transmitted through the network.
Term
Throughput
Definition
Measurement of how much data can pass through a line medium in certain amount of time.
Term
Tree Topology
Definition
Network that combines the characteristics of bus and star topology.
Term
Gobos
Definition
Thin masks placed in front of spotlights to shape the light beam and create a variety of possible patterns.
Term
Render Farm
Definition
Networked group of computers that work in tandem to streamline otherwise time-consuming rendering tasks.
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