Technology terms starting with P

1,398 terms

Preference Priority access to Federal power by public bodies and cooperatives.
Preferential Defense Preferential defense is the a-priori assignment of defensive assets to protect given facilities or capabilities.
Preferential Defense Strategy A tactic used as part of the SDS strategy to optimize the use of weapons and sensors by selecting high value targets for engagement by the defense while…
Preferential Offense The concentration of offensive assets on a subset of targets.
prefetch The process of retrieving and caching data before it is requested by the client.
prefix An "operator" that precedes its "operand", as in ++$x.
prefix-free code Synonym comma-free code.
pregroup combining In communications systems, assembling a number of narrowband channels, such as 4-kHz-wide telephone channels, into a specified frequency band such that…
pregroup translation In communications systems, the process of transposing, in frequency, a pregroup of channels, such as telephone or data channels, in such a manner that…
preliminary call In radio transmission, a call that (a) includes at least the identification of the calling station and the called station, (b) is designed to establish…
Preliminary Design Review (PDR) A review conducted on each configuration item to evaluate the progress, technical adequacy, and risk resolution of the selected design approach; to…
preliminary topology Refers to incomplete region topology. Region topology defines region-arc and region-polygon relationships.
premature disconnect The termination of an established connection, where the termination is not initiated by either of the connected end-users. [Tl-507-1996]
premature disconnect stimulus The untimely occurrence of an event or a combination of events that, according to the protocol, should result in a disconnection.
premises wiring See on-premises wiring.
Premium Support A one-on-one, fast-response support channel that AWS customers can subscribe to for support for AWS infrastructure services.
premodulation combining Synonym precombining.
Preplanned Product Improvement (P 3 I) Planned future evolutionary improvement of developmental systems for which design considerations are effected during development to enhance future…
Preplanned Response Options (PRO) Ballistic Missile Defense (BMD) reactions, which have been preplanned, analyzed, and pre-approved, for specific ballistic missile threats.
preprocessing What some helper "process" did to transform the incoming data into a form more suitable for the current process. Often done with an incoming "pipe".
Preproduction Prototype An article in final form employing standard parts, representative of articles to be produced subsequently in a production line.
Preproduction Test This is a test of design-qualified hardware that is produced using production tooling and processes, which will be used to produce the operational…
Prescribed Interexchange Charge (PICC) The charge the local exchange company assesses the long distance company when a consumer picks it as his or her long distance carrier.
presence noise In telephony, a low-level artificial noise introduced into the receiver to indicate that the connection is still in effect, even though no voice sound is…
presentation context An association of an abstract syntax with a transfer syntax. [T1.208-1989]
Presentation Layer See Open Systems Interconnection--Reference Model.
presentation unit The smallest convenient division of a media stream (defined by the measurement system) that conveys an independent, self-contained unit of content, from…
preservation The process of ensuring retention and protection from destruction or deletion all potentially relevant evidence, including electronic metadata.
preservation and access level (pal) The related services for preservation and access to a set of electronic records maintained in the ERA system.
preservation and access plan A plan, based on the results of a preservation assessment, indicating the activities to be undertaken in preserving specific documentary material or sets…
preservation assessment 1) The review of documentary material to determine their current condition and potential need for preservation processing. 2) The results of this review.
preservation copy A copy of documentary material used solely in the processes and operations involved in the stabilization and protection of documentary material against…
preservation order See legal hold.
preservation process A process appropriate for ensuring the continued existence, accessibility, and authenticity of documentary material over time.
preset conference A service feature that permits the automatic connection of a fixed group of users, or a closed user group with outgoing access, by keying a single…
Preset Guidance A technique of missile control wherein a predetermined flight plan is set into the control mechanism and cannot be adjusted after launching.
preset jammer A jammer in which the frequency of the jamming transmitter is fixed before the transmitter is placed in operation.
President's Budget (PB) The Federal Government's budget for a particular fiscal year transmitted in January (first Monday after January 3rd) to the Congress by the President in…
press-to-talk operation Synonym push-to-talk operation.
press-to-type operation Synonym push-to-type operation.
preventive maintenance (PM) The care and servicing by personnel for the purpose of maintaining equipment and facilities in satisfactory operating condition by providing for…
preverification Due to memory and processing power available on a device, the verification process of classes are split into two processes.
preview pane A pane that lets users read the content of the document that is selected in the view pane.
PRF Pulse Repetition Frequency.
PRG Program Review Group.
PRI Abbreviation for primary rate interface.
primary channel The channel that is designated as a prime transmission channel and is used as the first choice in restoring priority circuits. 2.
primary coating The plastic overcoat in intimate contact with the cladding of an optical fiber, applied during the manufacturing process.
primary colors Any group of two or more (three, in most applications) discrete colors (optical wavelengths) that are (a) of relatively narrow spectral width, and (b)…
primary distribution system A system of alternating current distribution for supplying the primaries of distribution transformers from the generating station or substation…
primary DNS suffix The Domain Name System (DNS) suffix that a computer uses to identify the DNS domain to which it belongs.
Primary Domain Controller Emulator (PDC) PDC provides backward compatibility to Windows NT. In native forest, manages password changes and synchronizes time between DCs.
primary frequency A frequency that is assigned for usual use on a particular circuit. 2. The first-choice frequency that is assigned to a fixed or mobile station for…
primary frequency standard A frequency source that meets national standards for accuracy and operates without the need for calibration against an external standard.
primary group See group.
primary interexchange carrier (PIC) A carrier chosen by a subscriber to be accessible via simplified dialing pattern. [T1.246-1998/99]
primary key One or more attributes whose values uniquely identify a row in a database table. See also foreign key.
primary package The package that normally runs on the cluster in a production environment.
primary partition A type of partition created on basic disks that can host an operating system and functions as though it were a physically separate disk.
primary point code (PPC) The point code identification of the primary destination of the signaling connection control plan (SCCP) routing verification test (SRVT) message. [T1.
primary polymer coating Synonym primary coating.
primary polymer overcoat Synonym primary coating.
primary power The source of electrical power that usually supplies the station main bus. Note 1: The primary power source may be a Government-owned generating plant or…
primary protector A protective device placed on telecommunications conductors in accordance with ANSI/NFPA 70. [T1.321-1995]
primary radar A radiodetermination system based on the comparison of reference signals with radio signals reflected from the position to be determined. [NTIA] [RR]
primary radiation Radiation that is incident upon a material and produces secondary emission from the material.
primary rate access (PRA) path The logical connection between extended superframe termination points (i.e., path terminations) on the customer access (CA) and the customer installation…
primary rate interface (PRI) An integrated services digital network (ISDN) interface standard (a) that is designated in North America as having a 23B+D channels, (b) in which all…
primary reference source Equipment that provides a timing signal whose long-term accuracy is maintained at 1 x 10-11 or better with verification to Coordinated Universal Time…
primary replica The replica designated to be the only recipient of updates by the Administration Process.
primary route The predetermined path of a message from its source, i.e., sending or originating station, to a message sink, i.e.
primary service area The service area of a broadcast station in which the groundwave is not subject to objectionable interference or objectionable fading. [47CFR]
primary station 1. In a data communication network, the station responsible for unbalanced control of a data link.
primary subject main topical heading in a hierarchal file classification system See also main heading.
primary substation Equipment that switches or modifies voltage, frequency, or other characteristics of primary power.
primary time standard A time standard that does not require calibration against another time standard.
primary traffic Traffic measured or studied during one or more study weeks for which data are collected and processed.
primary-digit filing A numeric filing system in which the first digits are used as the method of organizing and finding in a records management system See also middle-digit…
Prime Contractor A contractor having responsibility for design control and delivery of a system or equipment such as aircraft, engines, ships, tanks, vehicles, guns and…
primitive An abstract, implementation-independent, interaction between a layer service user and a layer service provider. [T1.629-1999]
primitive type Java's eight standard non-class types are primitive types: boolean, byte, char, double, float, int, long and short.
Principal Face value of an obligation, such as a bond or a loan, that must be repaid at maturity.
Principal Certification Authority (CA) The Principal Certification Authority is a CA designated by an Agency to interoperate with the FBCA.
principal clock Of a set of redundant clocks, the clock that is selected for normal use. Note 1: The principal clock may be selected because of a property, e.g.
principal colors Synonym primary colors.
principal ground point (PGP) A point within a structure that provides a means to join conductors requiring an earth reference to grounding electrodes.
principle of least privilege A security design principle that states that a person, process, or program be granted only those privileges necessary to accomplish a legitimate function…
print suppression [In INFOSEC,] eliminating the display of characters in order to preserve their secrecy. [INFOSEC-99]
print-through With respect to magnetically recorded data, especially tape-recorded data (analog or digital), the unintentional transfer of data from one physical…
Prioritize Targets To identify and rank targets in priority fashion, based upon criteria such as type, predicted impact point, and predicted time of impact.
priority The Bankruptcy Code's statutory ranking of unsecured claims that determines the order in which unsecured claims will be paid if there is not enough money…
priority level Each thread has a priority level, which indicates to the scheduler where it should be placed in the pecking order for being run.
priority level assignment The priority level(s) designated for the provisioning or restoration of a particular NS/EP telecommunications service.
priority message A category of precedence reserved for messages that require expeditious action by the addressee(s) and/or furnish essential information for the conduct of…
priority queuing A feature of Exchange Server 2007 Service Pack 1 (SP1) that enables the sender-defined priority of a message to influence the processing of the message by…
Privacy In genetics, the right of people to restrict access to their genetic information.
privacy and authentication management Functions to ensure the validity of both maintenance information and telecommunications network traffic key management, intrusion surveillance, and fraud…
Privacy Impact Assessment An analysis of how information is handled: 1) to ensure handling conforms to applicable legal, regulatory, and policy requirements regarding privacy; 2)…
privacy indicator In Signaling System 7 (SS7) switching, information contained in the calling-party number parameter, which information indicates whether the calling party…
privacy system [In INFOSEC, a] commercial encryption system that affords telecommunications limited protection to deter a casual listener, but cannot withstand a…