FCC registration programThe Federal Communications Commission program and associated directives intended to assure that all connected terminal equipment and protective circuitry…
FCIAFibre Channel Industry Association. A trade association devoted to promoting Fibre Channel technology.
FCIP (Fibre Channel over IP)Fibre Channel over IP. A proposal advanced by the IETF's IP Storage Working Group for mapping Fibre Channel traffic directly onto IP, in order to…
FDAAn agency in the U.S. federal government whose mission is to protect public health by making sure that food, cosmetics, and nutritional supplements are…
FDCFinal Data Capture Once the fee, any correspondence, and/or drawings are matched with the application and all requirements have been met for issuance as a…
FDDIFiber Distributed Data Interface. An ANSI standard LAN architecture that uses optical fiber cable for high-speed transmission.
FDDI adapterAn adapter for connecting devices to an FDDI network.
FDMCommon abbreviation for Financial Disclosure Management, the online program to electronically file and manage financial disclosure reports.
FDMAAbbreviation for frequency-division multiple access.
FDMA (Frequency-division multiple-access)Frequency-division multiple-access (FDMA) is a mechanism for sharing a radio frequency band among multiple users by dividing it into a number of smaller…
FEAFederal Enterprise Architecture -- see Federal Enterprise Architecture for more
Feasibility StudyA study of the applicability or desirability of any management or procedural system from the standpoint of advantages versus disadvantages in any given…
FeatureA large, complex artifact, or part of a site, such as a hearth, cairn, housepit, rock alignment, or activity area.
feature attribute tableA table used to store attribute information for a specific coverage feature class. ARC/INFO maintains the first several items of these tables.
feature classA collection of geographic features with the same geometry type (such as point, line or polygon), the same attributes, and the same spatial reference.
feature codeA code (or codes) used to select/activate a service feature (e.g., forwarding, using two- or three-digit codes preceded by * or 1 1 or #, and which may…
Federal Acquisition RegulationThe primary regulation for use by federal executive agencies for acquisition of supplies and services with appropriated funds.
Federal Bridge Certification Authority (FBCA)The Federal Bridge Certification Authority consists of a collection of Public Key Infrastructure components (Certificate Authorities, Directories…
Federal Bridge Certification Authority MembraneThe Federal Bridge Certification Authority Membrane consists of a collection of Public Key Infrastructure components including a variety of Certification…
Federal Geodetic Control Committee (FGCC)(FGCC)a standards committee concerned with accuracy levels in geodetic control. Within the United States, coordinate control is based on the National Geodetic…
Federal Information Processing Standard (FIPS)A standard for adoption and use by Federal agencies that has been developed within the Information Technology Laboratory and published by the National…
Federal Information Processing Standards (FIPS)(FIPS)FIPS deals with a wide range of computer system components including the components of most GISs: hardware, storage media, data files, codes, interfaces…
Federal Information SystemAn information system used or operated by an executive agency, by a contractor of an executive agency, or by another organization on behalf of an…
federated applicationA Web-based application that is AD FS-enabled, meaning that it can be accessed by federated users.
federated identity management (FIM)(FIM)Allows individuals to sign in to different networks or services, using the same group or personal credentials to access data across all networks.
Federated searchIn a federated search, users receive results from multiple search and retrieval systems - for example, from other search engines, commercial information…
federated userA user whose account resides in an account partner organization and who can access federated applications that reside in a resource partner organization.
federationA pair of realms or domains that have established a federation trust.
federation serverA computer that has been configured to host the Federation Service component of Active Directory Federation Services (AD FS).
federation server proxyA computer that has been configured to host the Federation Service Proxy component of Active Directory Federation Services (AD FS).
Federation ServiceAn installable role service of Active Directory Federation Services (AD FS) that is used to create a federation server.
Federation Service ProxyAn installable role service of Active Directory Federation Services (AD FS) that is used to create a federation server proxy.
FeedA component that "feeds" the signal from the optical system to the amplification electronics. Also called a "feed horn" or "horn".
Feed ReaderSoftware or website used to subscribe to feed update notifications. See also: Bloglines - popular web based feed reader Google Reader - popular web based…
feed-forward pathIn the encoder, the signal path from the input of the PCM-to-uniform-PCM converter to the output of the adaptive quantizer.
feedbackthe process by which an initial change brings about additional change that either reinforces or counteracts the initial change.
Feedback ControlA process by which output or behavior of a machine or system is used to change its operation in order to constantly reduce the difference between the…
feedback pathThe signal path from the input of the bit-masking block to the output of the adaptive predictor. [T1.310-1991]
feeder echo noiseSignal distortion resulting from reflected waves in a transmission line that is many wavelengths long and mismatched at both the generator and the load…
feeder linkA radio link from an Earth station at a given location to a space station, or vice versa, conveying information for a space radiocommunication service…
feeder serverThe component of a news server that accepts news feeds from other news servers.
fence penetrabilityThe ability of features outside a trusted region to penetrate a fence - thus leading to a potential or actual breach of the System Security Policy [CESG].
Fenced FundingAn identified aggregation of resources reviewed, approved, and managed as a distinct entity.
FERET (FacE REcognition Technology program)A face recognition development and evaluation program sponsored by the U.S. Government from 1993 through 1997. For more information visit www.frvt.
Fermat's principleA principle stating that a ray of light follows the path that requires the least time to travel from one point to another, including reflections and…
FET photodetectorA photodetector using photogeneration of carriers in the channel region of a field-effect transistor structure to provide photodetection with current gain.
fetch protection[An] AIS-provided restriction to prevent a program from accessing data in another user's segment of storage. [NIS] 2.
fetch-execute cycleThe simple set of steps that are endlessly repeated by a computer's Central Processing Unit for each program instruction: `Fetch the next instruction…
FFAFree for all pages are pages which allow anyone to add a link to them. Generally these links do not pull much weight in search relevancy algorithms…