receive-after-transmit time delayThe time interval between (a) the instant of keying off the local transmitter to stop transmitting and (b) the instant the local receiver output has…
received noise powerThe calculated or measured noise power, within the bandwidth being used, at the receive end of a circuit, channel, link, or system. 2.
received signal level (RSL)The signal level at a receiver input terminal. Note 1: The signal bandwidth and the established reference level must be specified.
ReceiverThe component of a central receiver solar thermal system where reflected solar energy is absorbed and converted to thermal energy.
receiver attack-time delayThe time interval from (a) the instant a step rf signal, at a level equal to the receiver threshold of sensitivity, is applied to the receiver input to…
Receiver Operating Characteristics (ROC)A method of showing measured accuracy performance of a biometric system. A verification ROC compares false accept rate vs. verification rate.
receiver overloadThe maximum acceptable value of the received average optical power consistent with a bit error ratio (BER) of 1 x 10-10 or better. [T1.646-1995]
receiver release-time delayThe time interval from removal of rf energy at the receiver input until the receiver output is squelched.
receiver sensitivityThe minimum value of average received power to achieve a 1 x 10-10 bit error ratio.
recipientAn Active Directory object that is mail-enabled, mailbox-enabled, or that can receive e-mail messages.
Recipient Block listAn administrator-defined list of recipients for which mail coming in from the Internet should never be accepted. [Exchange 2007]
recipient policyA policy that is applied to mail-enabled objects to generate e-mail addresses. Recipient policies can be defined to apply to thousands of users, groups…
Recipient Update ServiceAn Exchange Server 2003 service that updates the recipient objects within a domain with specific types of information.
Recipient Usage PeriodThe period of time during the cryptoperiod of a symmetric key when protected information is processed.
Reciprocal LinksNepotistic link exchanges where websites try to build false authority by trading links, using three way link trades, or other low quality link schemes.
ReclamaA formal appeal to the service comptroller of SECDEFs tentative budget decision on the service budget estimates. 245
ReclamationThe process of restoring surface environment to acceptable pre-existing conditions.
RecognitionA generic term used in the description of biometric systems (e.g. face recognition or iris recognition) relating to their fundamental function.
recognized operating agency (ROA)Any operating agency, as defined in the ITU Convention (Geneva, 1992), which operates a public correspondence or broadcasting service and upon which the…
ReconciliationThe process of analyzing two related records and, if differences exist between them, finding the cause and bringing the two records into agreement.
ReconstituteTo restore, during periods of hostile engagements or during peacetime, military forces or elements as closely as possible to a desired state of readiness…
reconstructed sampleAn analog sample generated at the output of a decoder when a specified character signal is applied at its input.
reconstructed signalIn ADPCM (adaptive differential pulse code modulation), the sum of the signal estimate from adaptive prediction and the quantized difference signal from…
recordAll the documents and evidence plus transcripts of oral proceedings in a case.
record booka well-bound, durable book or ledger into which record copies of legal instruments and record copies of other records are registered or entered.
record communicationA telecommunications process that produces an electronic message that is transmitted, received, stored or archived, and may be retrieved. 2.
record copyoriginal copy of an international application filed under the Patent Cooperation Treaty maintained by the International Bureau of the World Intellectual…
record groupA body of organizationally related records established with regard to the administrative history, the complexity and the volume of the records of the…
record informationAll forms (e.g., narrative, graphic, data, computer memory) of information registered in either temporary or permanent form so that it can be retrieved…
Record LotDefined by the DC Surveyor. These are official, platted, recorded subdivision lots created by the DC Surveyor's Office in compliance with the Subdivision…
record medium1. The physical medium on which information is stored in recoverable form. 2. In facsimile transmission, the physical medium on which the recorder forms…
record numberThe number that identifies a record within an extended frame (EF). [After T1.707-1998]
record pointerThe pointer which is used to address one record in an extended frame (EF). [After T1.707-1998]
record scheduleInstructions for what to do with public records that are no longer needed for current government business.
record seriesA description of a particular set of records within a file plan. Each category has retention and disposition data associated with it, applied to all…
record trafficTraffic that is recorded, in permanent or quasipermanent form, by the originator, the addressee, or both. 2.
record typeThe intellectual form of the documentary material, such as letter, memo, greeting card, or portrait.
RecorderThe public official who keeps records of transactions that affect real property in the area. Sometimes known as a "Registrar of Deeds" or "County Clerk."
recorder warning toneA half-second burst of 1400 Hz applied to a telephone line every 15 seconds to indicate to the called party that the calling party is recording the…
recording spotIn a facsimile recorder, the spot that is used to generate the recorded copy on the record medium.
recordsAll recorded information, regardless of media or physical characteristics, made or received and maintained by an organization or institution in pursuance…
records analysis sectionThe section of the Utah State Archives and Records Service which provides records management education and services to Utah's state and local government…
records analystA records practitioner who examines and evaluates the systems and procedures involved in creating, processing, storing, and disposing of records
records centerAn area for lower-cost storage, maintenance, and reference use of semiactive records pending their ultimate disposition
records coordinatorIndividual responsible for coordinating records management activities within a department and acting as liaison between the department and the records…
records creationthe recording of information on or in any medium.
records disposition authorizationthe formal, recorded approval of a decision to retain or to destroy a record or set of records, together with the justification for that decision; and, it…
records disposition schedulea list of records or record series and the terms for which each must be retained in the control of their originating office before being transferred to…
records inventoryA detailed listing that includes the types, locations, dates, volumes, equipment, classification systems, and usage data of an organization's records in…
records lifecycleAn archival concept that describes the lifespan of a record, from its creation or receipt to its final disposition.
records lifecycle dataAll data collected by NARA that pertains to the records throughout their lifecycle.
records lifecycle transactionAn activity performed on documentary material in their existence that changes their status in the records lifecycle.
records managementRecords Management is the planning, controlling, directing, organizing, training, promoting and other managerial activities involving the lifecycle of…
records management analystThe agency person responsible for operation of an agencywide records management program.
records management manualA publication that defines the scope of the records management program, its authority, the services it provides, and an introduction to concepts
records management programthe systematic, accountable application of records management to the records of any state or local agency.
records managerThe records manager is responsible for the implementation of a records management program in keeping with the policies and procedures that govern that…
records migrationthe transmission of records from one electronic processing system to another, whether from a prior system to a successor system or from one contemporary…
records officerIn Utah, an agency-appointed person whose responsibilities include the development and oversight of records management programs and who serves as the…
records protectionsafeguarding of records against unauthorized access, theft, intentional or unintentional destruction, damage, or alteration
records retentionthe holding or keeping of records and maintaining them in good condition and readily accessible for agency use and/or public inspection.
Records Retention ScheduleA plan for the management of records, listing types of records and how long they should be kept; the purpose is to provide continuing authority to dispose…
records seriesA group of related records filed/used together as a unit and evaluated as a unit for retention purposes, e.g.
records storage boxA box that is normally used to hold approximately one cubic foot of records and that measures 10 in. x 12 in. x 15 in
records surveyA broad overview of the quantity and type of records within an organization, which is usually completed prior to a detailed inventory See also records…
records transmissionany transfer, communication, broadcast, or publication of any record, any part of any record, or any group of records or any simulations or copies thereof…
RecoveryRestoration or return to health from sickness.
Recovery ClusterA cluster on which recovery of a package takes place following a failure on the cluster.
Recovery ConsoleA command-line interface that provides a limited set of administrative commands that are useful for repairing a computer.
recovery keyA key that is used for recovering data that is encrypted on a BitLocker volume. This key is cryptographically equivalent to a startup key.
recovery logThe log where the quorum resource stores data. This data is maintained by the clustering software.
recovery modeA mode in which BitLocker Drive Encryption prevents access to the encrypted drive, either because the system components have changed or because it needs…
recovery packageThe package that takes over on the Recovery Cluster in the event of a failure on the cluster.
recovery passwordFor BitLocker Drive Encryption, a numerical password that consists of 48 digits divided into 8 groups.
recovery password fileA BitLocker Drive Encryption file that uses the naming convention: .bek (including the BitLocker .
recovery procedure[The] action[s] necessary to restore data files of an information system (IS) and computational capability after a system failure. [INFOSEC-99]. 2.
RecreationRecreational opportunities at more than 1,900 federal recreation sites managed by the Bureau of Reclamation and other federal agencies can be found at the…
rectificationThe process by which an image or grid is converted from image coordinates to real-world coordinates.
recursionRecursion results from a method being invoked when an existing call to the same method has not yet returned.
RED[The] designation applied to information systems, and associated areas, circuits, components, and equipment in which national security information is…
RED signal[A] Telecommunications or automated information system signal that would divulge classified information if recovered and analyzed. [NIS] 2.
RED/BLACK concept[The] Separation of electrical and electronic circuits, components, equipment, and systems that handle national security information (RED), in electrical…