Technology terms starting with C

2,021 terms

Continuous Access A facility provided by the Continous Access software option available with the HP StorageWorks E Disk Array XP series.
continuous custody an archival principle of added value, holding that the continuous and unbroken retention of any record or set of records in the keeping and for the use of…
continuous data A surface for which each location has a specified or derivable value. Typically represented by a tin or lattice (e.g., surface elevation).
continuous operation Operation in which certain components, such as nodes, facilities, circuits, or equipment, are in an operational state at all times.
continuous presence In teleconferencing, the concurrent presence of two or more video images, such as two images that may appear on a single monitor on a split screen or on…
continuous simulation In a continuous simulation, time ticks past at a regular rate that is applicable to the particular simulation scenario.
Continuous Tone An image (e.g. a photograph) which has all the values of gray from white to black.
continuous tone copy In facsimile, an object, i.e., an original, or a recorded copy, that contains shades of gray, i.e.
continuous wave (cw) A wave of constant amplitude and constant frequency.
continuously variable slope delta (CVSD) modulation A type of delta modulation in which the size of the steps of the approximated signal is progressively increased or decreased as required to make the…
Contour A line of constant elevation.
contour interval The difference in surface values between contours.
contour line An imaginary line joining points of equal elevation.
contouring In digital facsimile, density step lines in the recorded copy resulting from analog-to-digital conversion when the object, i.e.
Contract Administration Office (CAO) The activity identified in the DoD Directory of Contract Administration Services Components assigned to perform contract administration responsibilities.
Contract Data Requirements List (CDRL) Document used to order (buy) and require delivery of data. Tells contractor what data to deliver, when and how it will be accepted, where to look for…
Contract Definition A funded effort, normally by two or more competing contractors, to establish specifications, to select technical approaches, to identify high-risk areas…
Contract Work Breakdown Structure The complete WBS for a contract developed and used by a contractor within the guidelines of MIL-STD 881A, and in accordance with the contract statement of…
Contracting Officer (CO) A person with the authority to enter into, administer, or terminate contracts and make related determinations and findings.
Contrast The difference between the brightness of an object compared to that of its immediate background.
contribution In B-ISDN applications, the use of broadband transmission of audio or video information to the user for post-production processing and distribution.
Contributor site group Can submit content to categories and can add content to existing document libraries and lists.
Control a test with predictable results performed with an experimental procedure to confirm the reliability of the experimental results.
Control Abstraction (Software) The process of extracting the essential characteristics of control by defining abstract mechanisms and their associated characteristics while…
Control and Reporting Center An element of the US Air Force tactical air control system, subordinate to the tactical air control center, from which radar control and warning…
Control and Reporting Post An element of the US Air Force tactical air control system, subordinate to the control and reporting center, that provides radar control and surveillance…
Control area An electric power system or combination of electric power systems to which a common automatic control scheme is applied in order to: Match, at all times…
control attribute package A collection of control attributes associated with a security object [ECMA138].
control attributes 1. Attributes, associated with a security object, that when matched against the privilege attributes of a security subject, are used to grant or deny…
control ball Synonym trackball.
control channel The Communication link (TCP) over which commands and responses flow. Low bandwidth; encrypted and integrity protected by default.
control character A character that initiates, modifies, or stops a function, event, operation, or control operation.
control communications The branch of technology devoted to the design, development, and application of communications facilities used specifically for control purposes, such as…
control field In a protocol data unit (PDU), the field that (a) contains data interpreted by the receiving destination logical-link controller (LLC) and (b) may be the…
control function Synonym control operation.
Control Information Information that is entered into a cryptographic module for the purposes of directing the operation of the module.
control message A command used by USENET host computers to create and remove newsgroups or cancel messages that have already been posted. [Exchange 5.5]
control monitor In computers and networks, the device that displays the progress or status of the overriding software or procedures. 2.
control of electromagnetic radiation Measures taken to minimize unintended electromagnetic radiation emanating from a system or component and to minimize electromagnetic interference.
control operation An operation that affects the recording, processing, transmission, or interpretation of data.
Control Points Horizontal and Vertical: Small monuments securely embedded in the surface of the dam. Any movement of the monument indicates a movement in the dam itself.
Control Procedure The means used to control the orderly communication of information between stations on a data link. Also called line discipline.
Control Station The station on a network, which supervises the network control procedures such as polling, selecting, and recovery.
control structure A statement that affects the flow of control within a method. Typical control structures are loops and if statements.
Control Theory The mathematical analysis of the systems and mechanisms for achieving a desired state under changing internal and external conditions.
control track The magnetized portion along the length of a videotape on which synchronous control information is placed; the control track contains a pulse for each…
Control Zone The space, expressed in feet or radius, that surrounds equipment that is used to process sensitive defense information and that is under sufficient…
controlled access Access in which the resources of an area or system is limited to authorized personnel, users, programs, processes, or other systems, and denied to all…
controlled area An area (a) in which uncontrolled movement will not result in compromise of classified information, (b) that is designed to provide administrative control…
controlled cryptographic item (CCI) Secure telecommunications or information handling equipment, or associated cryptographic component, that is unclassified but governed by a special set of…
controlled data According to UCA 63G-2-304, data on an individual collected and maintained by state government, necessary for the administration of government programs…
Controlled Environment A closed environment in which parameters, such as light, temperature, relative humidity and sometimes the partial gas pressure (and possibly its…
Controlled Interface Mechanism that facilitates the adjudication of different interconnected system security policies (e.g.
controlled not-ready signal A signal, sent in the backward direction, to indicate that a call cannot be completed because the called line is not in a ready condition, but is under…
controlled rerouting A procedure of transferring, in a controlled way, signaling traffic from an alternative signaling route to the normal signaling route when the latter…
controlled security mode See controlled security operation, multilevel security.
controlled security operation In a communications system, operation in which (a) internal security controls prevent inadvertent disclosures, (b) personnel, physical, and administrative…
controlled sharing [A] condition existing when access control is applied to all users and components of an information system (IS). [INFOSEC-99]
controlled space Three-dimensional space surrounding information-system (IS) equipment, within which unauthorized persons are denied unrestricted access and are either…
controller An adapter card, RAID controller, or other module that interprets signals between a host and a eripheral device.
controlling authority [In cryptosystems, the] official responsible for directing the operation of a cryptonet and for managing the operational use and control of keying…
CONUS Continental United States
convenience file An unofficial file that is maintained for ease of access and reference Also referred to as reading file. See also reference file and working file.
Conventional Co- Production An effort between governments to produce the same end item, or components of the same end item, in concert.
Conventional Weapon A weapon that is neither nuclear, biological, nor chemical.
Convergence Integration of computing, communications and broadcasting systems.
convergence point A network point at which two or more possible routes through different intermediate networks from the origination network to destination network converge.
conversation-minute The product of (a) the number of messages and, (b) the average minutes of conversation per message. [47 CFR Pt.36-A]
conversation-minute-kilometers The product of (a) the number of messages, (b) the average minutes of conversation per message, and (c) the average route kilometers of circuits involved.
conversational hypertext access technology (chat) See chat.
conversational mode A mode of communication analogous to a conversation between two persons.
conversational service In telecommunications, a service that provides two-way, interactive, real-time, end-to-end information transfer.
conversational state The field values of a session bean plus the transitive closure of the objects reachable from the bean's fields.
Conversion The ability, in some states, to switch your job-based coverage to an individual policy when you lose eligibility for job-based coverage.
conversion of records formats The process of transferring records from one physical format to another. Conversion includes changing paper to microform, optical disk, or another…
Conversion rate the rate at which visitors get converted to customers or are moved a step closer to customer acquisition.
Conversion Timing The actual agreed upon scheduled date and time to commence cutover in a coordinated conversion.
Converter A device for transforming the quality and quantity of electrical energy; also an inverter.
convolutional code A type of error-correction code in which (a) each m-bit information symbol (each m-bit string) to be encoded is transformed into an n-bit symbol, where…
convoy internal communications In a land or maritime convoy, communications (a) that is among the elements of the convoy, (b) includes radio, visual, and sound transmissions, (c) in…
Cookie A message given to a Web browser by a Web server. The browser stores the message in a text file.
cooldown period Amount of time during which Auto Scaling does not allow the desired size of the Auto Scaling group to be changed by any other notification from a…
Coop Cooperative
cooperation factor In facsimile systems, the product of the total scanning length and the scanning density, given by CF = L, where L is the scanning line length and is the…
cooperative key generation Electronically exchanging functions of locally generated, random components, from which both terminals of a secure circuit construct traffic encryption…
cooperative remote rekeying Synonym manual remote rekeying.
Cooperative User An individual that willingly provides his/her biometric to the biometric system for capture.
coordinate A set of numbers that designate location in a given reference system, such as x,y in a planar coordinate system or an x,y,z in a three-dimensional…
COordinate GeOmetry (COGO) Land surveyors use COGO functions to enter survey data, to calculate precise locations and boundaries, to define curves, and so on.
coordinate indexing An indexing scheme by which terms may be correlated or combined to show interrelationships, the purpose of which is to facilitate more precise retrieval
coordinate system A reference system used to measure horizontal and vertical distances on a planimetric map.
coordinated clock One of a set of clocks distributed over a spatial region, producing time scales that are synchronized to the time scale of a reference clock at a…
Coordinated Conversion A process whereby a portion of the equipment or facilities from an existing service is to be reused in a replacement service.
Coordinated Engagement Planning/Actions Necessary coordination among engagement components to ensure maximum effectiveness of the SDS and resources are not wasted on targets already targeted.
coordinated time scale A time scale synchronized within given tolerances to a reference time scale.
Coordinated Universal Time (UTC) By international agreement, the local time at the prime meridian, which passes through Greenwich, England.
Coordinating Authority A commander or individual assigned responsibility for coordinating specific functions of activities involving forces of two or more Services or two or…
coordination area The area associated with an Earth station outside of which a terrestrial station sharing the same frequency band neither causes nor is subject to…
coordination contour 1. The line enclosing the coordination area. [NTIA] [RR] 2. The perimeter of the coordination area.
coordination distance Distance on a given azimuth from an Earth station beyond which a terrestrial station sharing the same frequency band neither causes nor is subject to…