Technology Glossary


  • CDU
    Control display unit (pilots' interface to the FMS)
  • cell
    In remote sensing, an area on the ground from which electromagnetic radiation is emitted or reflected. See instantaneous field of...
  • Cellular Mobile Radio Telephone System
    Also called "Cellular." A high capacity land mobile telephone system wherein channels assigned to the system are divided among several...
  • CELLULAR TECHNOLOGY
    This term, often used for all wireless phones regardless of the technology they use, derives from cellular base stations that...
  • CELLULAR TECHNOLOGY
    This term, often used for all wireless phones regardless of the technology they use, derives from cellular base stations that...
  • Cellular Wireless
    A method of connection to the Internet that does not use any ground lines. The existing standard protocol is relatively...
  • CENA
    Centred'
  • Central Office
    Commonly referred to as a "CO." A telephone company facility for switching signals among local telephone circuits. Also called a...
  • CENTRAL OFFICE
    A facility of a telecommunications carrier where calls are switched.
  • Central Processing Unit CPU
    The brain of the computer. Two components found in the CPU are the arithmetic logic unit, which performs calculations and...
  • Central processing unit CPU
    the brain of the computer that processes instructions and manages the flow of information through a computer system.
  • centrifugal flow compressor
    The direction of the flow of compressed air discharges outward at 90
  • Centrifugal flow turbojet
    A turbojet engine with a centrifugal compressor rather than an axial flow compressor.
  • centrifugal force
    The outward force an object exerts on a restraining agent when the motion of the object is rotational.
  • centripetal force
    The inward force a restraining agent exerts on a an object moving in a circle. It is equal to, but...
  • Certificate of Compliance C of C
    A certificate showing that the product being shipped meets customer's specifications.
  • Certification
    an equipment authorization issued by the FCC based on representations and test data submitted by the applicant for equipment designated...
  • CERTIFIED TELECOMMUNICATIONS PROVIDER
    An entity certified by the Department of Public Utility Control to provide intrastate telecommunications services, as defined in
  • Certified Test Report CTR
    A report providing actual test data on a cable. Tests are normally run by a Quality Control Department, which shows...
  • CFIT
    Controlled Flight Into Terrain
  • CG
    Center of Gravity
  • CGI
    the Common Gateway Interface, How a web server runs a script or program and sends the output to a web...
  • CGS
    Centimeter-gram-second
  • Channel
    All AETN packages will have two audio channels. Channel One will include the VO and nat sound; Channel Two will...
  • Chat
    Two or more individuals connected to Internet have real-time text-based conversations by typing messages into their computer. Groups gather to...
  • Churn
    The term used to describe turnover rate of subscribers to a service or product.
  • CI
    China Airlines
  • CIRCUIT
    A switched or dedicated communications path with a specified bandwidth (transmission speed/capacity).
  • Circuit
    A two-way communications path. Circulation (FCC term) an FCC term, circulation is the procedure whereby items are routed to Commission-ers...
  • CIT
    Compressor Inlet Temperature
  • Cl
    Cost Index
  • Class D FM station
    a station whose output power is 10 watts or less.
  • CLB
    Climb Detent of the Thrust Levers
  • Clear Channel
    A clear channel protects stations designated as Class A stations from objectionable interference within their primary and secondary service areas....
  • CLEC
    Competitive Local Exchange Carrier
  • Client server network
    a configuration where all people store their files on a central computer, and files are accessed directly from where they...
  • CLOSED CAPTIONING
    A service for persons with hearing disabilities that translates television program dialog into written words on the television screen.
  • CLOSED CAPTIONING
    A service for persons with hearing disabilities that translates television program dialog into written words on the television screen.
  • Closed Captioning
    A service for persons with hearing disabilities that translates television program dialog into written words on the television screen. Closed...
  • Closed circuit Television CCTV
    A system in which a signal is transmitted from a point of origin to only those receivers who have previously...
  • Closed Circuit Test CCT
    a test of the EAN network from FEMA to the EAN program participants, and ending at the facilities of the...
  • CLR
    Clear
  • cluster
    In image processing, a homogeneous group of units, which are very "like" one another. "Likeness" among units is usually determined...
  • CMC
    Central Maintenance Computer
  • CNS
    Communications Navigations and Surveillance
  • CO
    Continetnal
  • CO ROUTE
    Company Route (also CO RTE)
  • Coaxial Cable
    A cable consisting of two conductors with a common axis, separated by a dielectric.
  • Coaxial Cable COAX
    A type of cable commonly used in cable television systems which is composed of two concentric conductors: an inner wire,...
  • COCOT
    Customer-Owned Coin-Operated Telephone
  • Codec
    Coder/decoder equipment used to convert and compress analog video and audio signals into a digital format for transmission, then convert...
  • coherent noise
    Systematic periodic noise in image or calibration data which can be characterized in terms of frequency, phase and amplitude. It...
  • collimate
    (1) To align the axes of instruments, especially optical axes of multiple lenses, so that they have the same spatial...
  • Collision
    A collision is a condition where two devices detect that the network is idle and end up trying to send...
  • color
    That property of an object which is dependent on the wavelength of the light it reflects or, in the case...
  • Color Code
    A system for circuit identifications through use of solid color insulations and/or contrasting tracers.
  • color composite multiband imagery
    A color image produced by the combination of (usually) three individual monochrome images each of which is reproduced in a...
  • COM
    Cockpit Operating Manual
  • combustion chambers
    The purpose of the combusting chamber is to provide a stream of hot gas that releases its energy to the...
  • combustor
    A chamber where air is mixed with fuel and ignited. In the combustor the air is mixed with fuel and...
  • COMMERCIAL LEASED ACCESS
    Manner through which independent video producers can access cable capacity for a fee.
  • COMMERCIAL LEASED ACCESS
    Manner through which independent video producers can access cable capacity for a fee.
  • Commercial service provider
    a company that will connect one computer to other computers for the exchange of information.
  • COMMON CARRIER
    In the telecommunications arena, the term used to describe a telephone company.
  • COMMON CARRIER
    In the telecommunications arena, the term used to describe a telephone company.
  • Common Carrier
    The term used to describe a telephone company. It is a telecommunications company that is available for hire on a...
  • COMMUNICATIONS ASSISTANT
    A person who facilitates telephone conversation between text telephone users, users of sign language or individuals with speech disabilities through...
  • COMMUNICATIONS ASSISTANT
    A person who facilitates telephone conversation between text telephone users, users of sign language or individuals with speech disabilities through...
  • Communications Assistant CA
    A person who translates conversation from text to voice and from voice to text between two end users of Telecommunications...
  • Communications Satellite
    A satellite that is used to relay telecommunications information.
  • Communications Satellite Corporation
    (COMSAT) A corporation, chartered by Congress, as an exclusive provider of international telecommunications satellite channels to the United States. COMSAT...
  • COMMUNITY ANTENNA TELEVISION CATV
    A service through which subscribers pay to have local television stations and additional programs brought into their homes from an...
  • COMMUNITY ANTENNA TELEVISION CATV
    A service through which subscribers pay to have local television stations and additional programs brought into their homes from an...
  • Community Antenna Television CATV
    A service through which subscribers pay to have local television stations and additional programs brought into their homes from the...
  • Compact Disc CD
    High density storage media based on a 4.75" reflective optical disc. Can hold up to 650,000,000 bytes of data, that...
  • Compact Disc CD
    A five-inch disc on which a digital audio signal is inscribed so that it can be read especially by a...
  • Compact Disc Interactive CD
    Interactive multimedia platform developed for the consumer market by Philips. It is a proprietary version of the CD-ROM that delivers...
  • Compact Disc Read Only Memory CD ROM
    Version of the CD that allows the information to be stored and retrieved. Once a CD-ROM is pressed, new data...
  • Compact Disc Recordable CD R
    CD-ROM recording systems can be used to record data onto a compact disc-recordable like any other recordable media. However, they...
  • Competitive Access Providers
    Common carriers who provide local service and compete against local telephone companies
  • Competitive Bidding
    Another term for an auction. (See Spectrum Auction)
  • Composite Cable
    A cable containing more than one gauge size or a variety of circuit types, e.g., pairs, triples, quads, coaxials,...
  • compressed air
    The air that is heated pushed through the combustor
  • Compressed Video
    A digital transmission process used to transmit a video signal. When the vast amount of information in a video transmission...
  • compressor
    The compressor is the first component in the engine core. The compressor squeezes the air that enters it into smaller...
  • compressor
    fan or a pump, the first component in the engine core. The compressor squeezes the air and pushed it forward...
  • Computer
    an electronic device that stores, retrieves, and processes data, and can be programmed with instructions. A computer is composed of...
  • Computer assisted Instruction CAI
    See Computer-based Training (CBT).
  • Computer based Training CBT
    An interactive instructional approach in which the computer, taking the place of an instructor, provides a series of stimuli to...
  • Computer case
    the unit that contains the components of the computer system that enable data to be processed according to a series...
  • Computer Conferencing
    An ongoing computer conversation via text with others in different locations. Conferencing can be done in "real time," so that...
  • Computer type
    the classification of a computer according to its storage and computing capacity, the number of users that can be supported,...
  • CON
    Continuous
  • Conduit
    A tube through which insulated wires and cables are run.
  • Connector
    A device mounted on the end of copper, or fiber optic cables to facilitate link of the cables.
  • contrast
    The difference between highlights and shadows; the ratio of reflecting power between the highlights and shadows is the contrast of...
  • Control Cable
    A multiconductor cable made for operation of control or signal circuits.
  • Convergence
    In this context, convergence means that providers of communication systems can deliver products and services that compete with the products...
  • Conversion
    the task of moving data from an existing computer system or from paper files to a new software application.
  • COO Communications Operations Orders
    are the specific instructions on how to perform specific actions unique to the State and each Local Area. There should...

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Page 4 of 21

Suggestions?
The Timbercon Technology Glossary continues to expand and improve. If you have suggestions for improvement, we would enjoy hearing from you. Please contact the webmaster here.


Home : Fiber Optic Education » Technology Glossary