FIRMRFederal Information Resources Management Regulation.
FirmwareThe programs and data components of a cryptographic module that are stored in hardware within the cryptographic boundary and cannot be dynamically written…
FIRSTForum of Incident Response and Security Teams.
First ArticleFirst article includes pre-production models, initial production samples, test samples, first lots, pilot models, and pilot lots.
First Customer Shipment (FCS)The initial shipment of a NetApp product. Products with this designation have undergone extensive internal testing and fully met the NetApp criteria for…
First StrikeThe first offensive action of a war (generally associated with nuclear operations).
First Unit Equipped DateThe scheduled date an end item and its support elements are issued to the initial operational capability unit and training in the new equipment training…
first windowOf silica-based optical fibers, the transmission window at approximately 830 to 850 nm. [FAA]
first-in first-out (FIFO)A queuing discipline in which entities in a queue leave the queue in the same order in which they arrive.
first-in last-out (FILO)A queuing discipline in which entities in a queue leave the queue in the reverse order from that in which they arrived.
first-route trafficTraffic that has not been route-advanced at any switching system. [T1.Rpt 11-1991]
Fiscal GuidanceThe annual guidance issued by the SECDEF in the Defense Guidance which provides the fiscal constraints that must be observed by the DoD Components in the…
fiscal valueworth of records for the conduct of current or future financial business and/or evidence thereof See also administrative value, evidential value…
fiscal yearThe fiscal year is the accounting period for the federal government which begins on October 1 and ends on September 30.
FISINTAcronym for foreign instrumentation signals intelligence.
FIX SiteFiring-in-Extension (Target Launch site in White Sands Missile Range Northern Extension).
fixed accessIn personal communications service (PCS), terminal access to a network in which there is a set relationship between a terminal and the access interface.
Fixed CostsCosts that do not vary with the volume of business, such as property taxes, insurance, depreciation, security, and minimum water and utility fees.
Fixed Ground Entry Point (FGEP)The subset of GEPs, which are not transportable. GEPs provide the communications interfaces between the SDS space orbital/sub-orbital elements and the C2E.
Fixed Ground StationAll hardware, software, and facilities located at a fixed ground site necessary to receive, process, support, and analyze mission status and data, and…
fixed loopA service feature that permits an attendant on an assisted call to retain connection through the attendant position for the duration of the call.
fixed microwave auxiliary stationA fixed station used in connection with (a) the alignment of microwave transmitting and receiving antenna systems and equipment, (b) coordination of…
fixed service (FX)A radiocommunication service between specified fixed points. [NTIA] [RR] [47CFR]
fixed stationA station in the fixed service. [NTIA] [RR] [47CFR] 2. The term "fixed station" in the fixed public or fixed public press service includes all apparatus…
fixed-reference modulationModulation in which the significant condition for any signal element is based on a fixed reference.
fixed-satellite serviceA radiocommunication service between Earth stations at given positions when one or more satellites are used; the given position may be a specified fixed…
fixed-size virtual hard diskA virtual hard disk with a fixed size that is determined and for which all space is allocated when the disk is created.
fixed-tolerance-band compactionData compaction accomplished by storing or transmitting data only when the data fall outside prescribed limits.
flag sequenceIn data transmission or processing, a sequence of bits used to delimit, i.e. mark, the beginning and end of a frame.
FLAGEOBSOLETE. Flexible Lightweight Agile Guided Experiment. (Predecessor program to Extended Range Interceptor (ERINT).)
FlameAn insulting criticism or remark meant to incite anger.
Flange packA condition where the tape pack is wound up against one of the flanges of the tape reel.
FlashA sudden, brief illumination of a conductive channel associated with lightning, which may contain multiple strokes with their associated stepped leaders…
flash cardIn computer-based equipment (such as MP3 players, digital cameras, and palm-held computers), a type of memory storage device approximately the size of a…
flash featureA supplementary calling feature provided by the near-end customer interface (CI) that is activated or controlled through the use of one or more flash…
Flash introan animated 'short' created using Flash that Internet users are made to sit through upon entry to a home page. Flash intros annoy users.
FLASH messageA category of precedence reserved for initial enemy contact messages or operational combat messages of extreme urgency. Brevity is mandatory. [JP 1-02]
flash signalA loop-open signal of 300 to 1000 ms at the network interface (NI) that is generated by the network, typically under the control of the far-end customer…
flat fadingFading in which all frequency components of a received radio signal vary in the same proportion simultaneously.
flat rate serviceTelephone service in which a single payment permits an unlimited number of local calls to be made without further charge for a specified period of time.
flat weightingIn a noise-measuring set, a noise weighting based on an amplitude-frequency characteristic that is flat over a frequency range that must be stated.
flavorPre-OGSI Globus description term that uniquely encompasses Machine Architecture, OS, Compiler and other attributes into a single term, for example…
flaw1. In computer security, an error of commission, an omission, or an oversight that allows protection mechanisms to be bypassed or disabled. 2.
flaw hypothesis methodology1. System analysis and penetration technique in which the specification and documentation for an information system (IS) are analyzed to produce a list of…
Fleming's ruleA rule stating that if the thumb of the right hand points in the direction of an electric current, then the curled fingers point in the direction of the…
flexible capacityThis flexible capacity is a key difference between cloud computing and traditional outsourcing and hosted data centers.
Flexible ResponseThe capability of military forces for effective reaction to any enemy threat or attack with actions appropriate and adaptable to the circumstances…
flickerIn video, any of several visual artifacts similar to (i.e., manifested as) a stroboscopic effect (jerkiness), sometimes caused by or related to vertical…
Flight PathThe line connecting the successive positions occupied, or to be occupied, by an aircraft, missile, or space vehicle as it moves through air or space.
Flight Readiness FiringA missile system test of short duration conducted with the propulsion system operating while the missile is secured to the launcher.
Flight TestTest of an aircraft, rocket, missile, or other vehicle by actual flight or launching.
Flight Test Vehicle (FTV)Prototype of airborne or spaceborne hardware used to validate a technology concept.
flip-flopA device that may assume either one of two reversible, stable states. Note 1: The flip-flop is used as a basic control element in computer and…
Float1) The amount of uncollected funds represented by checks in the possession of one bank but drawn on other banks.
float operationOperation of a dc system with the battery, rectifier, and load all connected in parallel.
FloatingThe process of an applicant deciding against locking-in an interest rate at the time of application and instead electing to float with the market until a…
Floating AdsAn ad that appears within the main browser window on top of the page's normal content, appearing to "float" over the top of the page.
floating headA magnetic head floating on a layer of air away from the recording surface. Synonyms air-floating head, flying head. [ANSDIT]
floating pointA method of storing numbers in "scientific notation", such that the precision of the number is independent of its magnitude (the decimal point "floats").
floating-point coding compactionData compaction accomplished by using coefficients, a base, and exponents to specify the scale, range, or magnitude of numbers.
flood projectionIn facsimile, the optical method of scanning in which the object is floodlighted and the scanning spot is defined by a masked portion of the illuminated…
flood search routingIn a telephone network, nondeterministic routing in which a dialed number received at a switch is transmitted to all switches, i.e.
floodingInsertion of a large volume of data resulting in denial of service. [INFOSEC-99] Synonyms [in e-mail and forum postings] mail bombing, spamming; [in radio…
flooding compoundA substance surrounding the buffer tubes of a fiber-optic cable, to prevent water intrusion into the interstices in the event of a breach of the jacket.
floor loadcapacity of a floor area to support a given weight expressed in terms of weight per unit of area
floor space ratiofiling capacity expressed in cubic volume of records per square unit of floor space
floppy diskA circular sheet of polyester coated with magnetic oxide and housed in a thin, square plastic jacket that is used as a removable data storage medium See…
flopsAcronym for floating-point operations per second. Note: For example, 15 Mflops equals 15 million floating-point arithmetic operations per second.
flowchartA graphical representation using symbols to document the flow of information, the decision-making process, and/or the sequence of operations that are to…
flowlineOn a flowchart, a line that (a) has an indicated direction, (b) represents a connection between other symbols, and (c) indicates the sequence of…
Fluence (or Integrated Flux)The product (or integral) of particle (neutron or photon) flux and time, expressed in units of particles per square centimeter.
flusha hand of five cards all of the same suit, irrespective of value
flutterRapid variation of signal parameters, such as amplitude, phase, and frequency. Note: Examples of flutter are (a) rapid variations in received signal…
FluxThe amount of energy passing through a unit area (for example, 1m2) per time. On this website, we will be discussing the flux of light energy due to…
Flyaway CostThe total cost related to the production of a usable end item of military hardware.