Technology terms starting with I

1,054 terms

interaction crosstalk Crosstalk caused by coupling between carrier and noncarrier circuits. Note: If the interaction crosstalk is, in turn, coupled to another carrier circuit…
interaction matrix A generated INFO file containing the number of interactions occurring between a set of origins and destinations.
interactive Pertaining to a communications environment in which more than one party is equipped and ready to participate actively in a session or a protocol.
interactive data transaction A unidirectional message, transmitted via a data channel, that requires a response in order for work to proceed logically.
interactive desktop A Windows desktop session running with an interactive userâs access token applied.
Interactive Graphics Design Software (IGDS) Intergraph IGDS file formats can be converted to and from ARC/INFO coverages.
interactive logon The process of logging on to a local computer by using a keyboard.
Interactive Responses Interactive response data on tracked objects to assist in their classification.
interactive service In an integrated services digital network (ISDN), a telecommunications service that facilitates a bidirectional exchange of information among users or…
interactive user A user that is interacting directly with the user interface of the computer, by using the local console, Terminal Services, or Remote Desktop.
Interactive Video Data Service (IVDS) A communication system, operating over a short distance, that allows nearly instantaneous two-way responses by using a hand-held device at a fixed…
Interapplication communication (IAC) The capability of one computer program to communicate with another program. With IAC, two (or more) programs can execute simultaneously, share data, and…
interblock gap On a data recording medium, an area used to indicate the end of a block or physical record.
intercept To stop a telephone call directed to an improper, disconnected, or restricted telephone number, and to redirect that call to an operator or a recording. 2.
intercept call request An operator services call request initiated by the network because of the service condition of the line of the called party (e.g.
Interceptor Cluster A group of objects, which are within divert capability of a deployed interceptor.
Interceptor Track A function or ability of a sensor to accurately detail an interceptors position and velocity in three dimensions.
Interceptor Track Range (Max) The maximum range at which a sensor can perform the interceptor track function on a single interceptor in a normal (non-man-made) environment.
interchange Mutual acceptance and exchange of messages between entities. [After X9.24]
interchange circuit A circuit that facilitates the exchange of data and signaling information between data terminal equipment (DTE) and data circuit-terminating equipment…
Interchangeabilit y A condition which exists when two or more items possess such functional and physical characteristics as to be equivalent in performance and durability…
Interchangeability A condition which exists when two or more items possess such functional and physical characteristics as to be equivalent in performance and durability…
interchangeable connectors Connectors that share common installation geometry and have the same transmission performance.
Interchangeable NPAs Refers to an industry plan to expand substantially the supply of Numbering Plan
intercharacter interval In asynchronous transmission, the time interval between the end of the stop signal of one character and the beginning of the start signal of the next…
intercom A telephone apparatus by means of which personnel can talk to each other within an aircraft, tank, ship, or activity. [JP 1-02] 2.
interconnect facility In a communications network, one or more communications links that (a) are used to provide local area communications service among several locations and…
interconnecting networks (ICNs) Two or more networks connected for purposes of call processing. [T1.207-1998]
Interconnection A connection or link between power systems that enables them to draw on each other's reserve capacity in time of need.
Interconnection Security Agreement (ISA) An agreement established between the organizations that own and operate connected IT systems to document the technical requirements of the interconnection.
Interconnection, System SEE System Interconnection
interconnectivity See interconnection.
Intercontinental Ballistic Missile (ICBM) A ballistic missile with a range from about 3,000 to 8,000 nautical miles. The term ICBM is used only for land-based systems to differentiate them from…
interdigit interval A multifrequency (MF) and dual tone multifrequency (DTMF) signal timing interval that is equal to the sum of the fall time, signal-off time, and rise time.
interdomain authority an authority recognized by two or more Security Administrations as a trusted source of security information used between the respective Security Domains…
interest group A gathering or category of network users who have a similar interest in a particular topic and who share their opinions with each other via email or an…
interexchange carrier (IXC or IC): 1. A communications common carrier authorized to provide interexchange telecommunications services within world zone 1 using the North American…
interexchange channel A circuit which is included in the interexchange transmission equipment. [47 CFR Pt.36-A]
interexchange transmission equipment The combination of (a) interexchange cable and wire facilities, (b) interexchange circuit equipment and, (c) associated land and buildings. [47 CFR Pt.
interface (1) A shared boundary defined by common physical interconnection characteristics, signal characteristics, and meanings of interchanged signals.
interface (I/F) 1. In a system , a shared boundary, i.e., the boundary between two subsystems or two devices. 2.
Interface Control Document (ICD) (1) A document that describes the requirements of the characteristics that must exist at a common boundary between two or more equipment or computer…
interface data The parameter within a primitive that is the unit of information transferred to/from the upper layer or sublayer in a single interaction. [T1.629-1999]
interface functionality In telephony, the characteristic of interfaces that allows them to support transmission, switching, and signaling functions identical to those used in the…
interface inheritance When a class implements an interface, an interface inheritance relationship exists between them.
interface message processor (IMP) A processor-controlled switch used in packet-switched networks to route packets to their proper destination.
interface payload In integrated services digital networks (ISDN), the part of the bit stream through a framed interface used for telecommunications services and signaling.
interface point Synonym point of interface.
interface rate The gross bit rate of the signal at the boundary between the physical layer and the physical medium. [T1.107-1988]
Interface Requirements Document (IRD) A document that sets forth the interface requirements for a system or system component. 143
interface standard A standard that describes one or more functional characteristics (such as code conversion, line assignments, or protocol compliance) or physical…
interference a proceeding, conducted before the Board of Patent Appeals and Interferences (Board), to determine priority of invention between a pending application and…
interference emission Emission that results in an electrical signal's being propagated into, and interfering with the proper operation of, electronic or electrical equipment.
interference filter An optical filter that reflects one or more spectral bands or lines and transmits others, while maintaining a nearly zero coefficient of absorption for…
interfering contour The locus of points surrounding a transmitter where the predicted median field strength of the signal from that transmitter is the maximum field strength…
interferometer An instrument that uses the principle of interference of electromagnetic waves for purposes of measurement.
interferometry The branch of science devoted to the study and measurement of the interaction of waves, such as electromagnetic waves and acoustic waves.
interfile To place an item in its proper place within an existing body of materials
interframe time fill In digital data transmission, a sequence of bits transmitted between consecutive frames.
interlaced scanning In raster-scanned video displays, a scanning technique in which all odd-numbered scanning lines are first traced in succession, followed by the tracing of…
interlacing Synonym interlaced scanning.
interleaving The transmission of pulses from two or more digital sources in time-division sequence over a single path.
interlocal trunk A circuit between two local central office units, either manual or dial. Interlocal trunks may be used for either exchange or toll traffic or both.
intermediate certificates In cryptology, certificates in a certificate chain other than the first or end certificate.
Intermediate Certification Authority (CA) A Certification Authority that is subordinate to another CA, and has a CA subordinate to itself.
intermediate distribution frame (IDF) In a central office or customer premises, a frame that (a) cross-connects the user cable media to individual user line circuits and (b) may serve as a…
intermediate element In a network, a line-unit-line termination (LULT) or a line-unit-network termination (LUNT).
intermediate field Synonym intermediate-field region.
intermediate frequency (IF) A frequency to which a carrier frequency is shifted as an intermediate step in transmission or reception.
intermediate language In computer programming, a target language into which all or part of a single statement or a source program--in a source language--is translated before it…
Intermediate Network Any interconnecting network(s) between the originating network and terminating network.
Intermediate Numbers: Intermediate numbers are numbers that are made available for use by another telecommunications carrier or non-carrier entity for the purpose of providing…
intermediate operating system In some operating system (OS) architectures, the OS functions that may be implemented through a central element and one or more remote elements that may…
Intermediate Range Ballistic Missile (IRBM) A ballistic missile having a range capability of 1,500 to 3,000 nautical miles.
intermediate system A system that provides an Open Systems Interconnection--Reference Model (OSI--RM) Network Layer relay function in which data received from one…
intermediate translation signaling point (ITSP) A translation signaling point (TSP) that translates the global title (as received or after changing to another global title) to identify the next TSP in…
intermediate trunk (IT) A channel mapping designation that ranges between 1 and 216 and relates the digital circuit multiplication equipment (DCME) transmission trunk to an…
Intermediate Zone The subsurface water zone below the root zone and above the capillary fringe.
intermediate-field region For an antenna, the transition region--lying between the near-field region and the far-field region--in which the field strength of an electromagnetic…
intermediate-level language In computer, communications, and data processing systems, a programming language that (a) is less machine-oriented than a machine language, (b) is not so…
intermittent service area The area receiving service from the groundwave of a broadcast station but beyond the primary service area and subject to some interference and fading.
intermodal delay distortion Synonym multimode distortion.
intermodal dispersion Incorrect synonym for multimode distortion.
intermodal distortion Synonym multimode distortion.
intermodulation (IM) The production, in a nonlinear element of a system, of frequencies corresponding to the sum and difference frequencies of the fundamentals and harmonics…
intermodulation distortion Nonlinear distortion characterized by the appearance, in the output of a device, of frequencies that are linear combinations of the fundamental…
intermodulation noise In a transmission path or device, noise, generated during modulation and demodulation, that results from nonlinear characteristics in the path or device.
intermodulation product In the output of a nonlinear system, a frequency produced by intermodulation of harmonics of the frequencies present in the input signal.
internal bias In a start-stop teletypewriter receiving mechanism, bias generated locally by the mechanism, and which has the same effect on the operating margin as bias…
internal call A call placed within a private branch exchange (PBX) or local switchboard, i.e., not through a central office in a public switched network.
Internal Cloud A cloud computing-like environment within the boundaries of an organization and typically available for exclusive use by said organization.
Internal Link Link from one page on a site to another page on the same site. It is preferential to use descriptive internal linking to make it easy for search engines…
Internal Links An Internal Link is a hypertext link that points to another page within the same website.
internal memory In a computer, all of the storage spaces that are accessible by a processor without the use of the computer input-output channels.
internal number See Cover#.
internal photoelectric effect A photoconductive or photovoltaic effect.
internal storage Synonym internal memory.
International Access Code The prefix that is used to direct a call internationally. The International Access Code is 011 in the United States and 00 in much of the rest of the…
International Agreement Generator (IAG) Software system, managed by OSD, which must be used to author DoD international Agreements.
International Atomic Time (TAI) The time scale established by the Bureau International des Poids et Mesures (BIPM--International Bureau of Weights and Measures in Sevres, France) on the…