Technology — page 137 of 206

20,531 terms including subtopics (0 terms filed directly here)

Technology terms

perigee altitude See altitude of the apogee or of the perigee.
Perimeter Acquisition Radar and Attack Characterization System (PARCS) AN/FPQ-16 phased array radar at Cavalier AFS, ND, used for early warning and attack assessment.
perimeter network An Internet Protocol (IP) network segment that contains resources, such as Web servers and virtual private network (VPN) servers, that are available to…
Period Usually designated by T. This is the time interval of one complete oscillation of any wave. See Wavelength.
Period (nodal) Time for a satellite to travel once around its orbit.
period (of a satellite) The time elapsing between two consecutive passages of a satellite through a characteristic point on its orbit. [NTIA] [RR]
periodic antenna An antenna that has an approximately constant input impedance over a narrow range of frequencies.
periodic transfer process of moving records between active, semiactive, and inactive storage sites on a scheduled basis
periods processing Processing of various levels of classified and unclassified information at distinctly different times.
peripheral device A hardware device not part of the central computer (e.g., digitizers, plotters, and printers).
peripheral devices Devices attached to a computer, such as printers, disk drives, mice, etc.
peripheral equipment In a data processing system, any equipment, distinct from the central processing unit, that may provide the system with additional capabilities.
peripheral node Synonym endpoint node.
periscope antenna An antenna configuration in which the transmitting antenna is oriented to produce a vertical radiation pattern, and a flat or off-axis parabolic…
permanent bond A bond not expected to require disassembly for operational or maintenance purposes.
permanent pen An editing feature that allows users to edit documents in a second font.
permanent record A record that has been determined to have sufficient historical, administrative, legal, fiscal, or other value to warrant continuing preservation
permanent records See archives.
permanent retention retention of a record indefinitely, for centuries rather than mere decades.
permanent signal (PS) An extended off-hook condition not followed by dialing. 2. A connect signal from the network that has not been followed by network outpulsing within a…
permanent storage A storage device in which stored data are nonerasable.
permanent value that a record is of such enduring usefulness that it justifies the public cost to preserve it in an archival medium such as paper or microfilm, and…
permanent virtual circuit (PVC) A network connection with a static route defined in advance, usually by manual setup.
Permeability The rate at which liquids pass through soil or other materials in a specified direction.
permissible interference Observed or predicted interference which complies with quantitative interference and sharing criteria contained in these [Radio] Regulations or in CCIR…
permission Authorization for a user to perform an action, such as sending e-mail for another user or posting items in a public folder.
permission bits Bits that the "owner" of a file sets or unsets to allow or disallow access to other people.
permissions Authorization to perform operations associated with a shared resource, such as a file, directory, or printer.
permuter [A] device used in crypto-equipment to change the order in which the contents of a shift register are used in various nonlinear combining circuits.
Pern What you get when you do Perl++ twice. Doing it only once will curl your hair. You have to increment it eight times to shampoo your hair.
Pershing II OBSOLETE. US intermediate-range missile deployed in Europe.
persistence Ability of an organism to remain in a particular setting for a period of time after it is introduced.
Persistent Chemicals with a long inactivation or degradation time, such as some pesticides.
persistent connection A connection between two networked devices that remains opened after the initial request is complete, to handle additional requests.
persistent data Information that endures beyond a single instance of use, e.g., longer than one call attempt. [T1.667-1999]
Persistent Disk All disk writes issued by software running inside a virtual machine are immediately and permanently written to a persistent virtual disk.
persistent field A virtual field of an entity bean that has container-managed persistence; it is stored in a database.
persistent format A data type, which may be simple or complex, that is independent of specific hardware or software, such that an object in this data type can be…
persistent lock A long-term database lock required when users wish to maintain a consistent view of their data while doing modifications over a long transaction.
persistent storage A long-term data storage solution. Options within AWS are: Amazon S3, Amazon EBS.
Personal Address Book A directory database that is stored on an IBM® Lotus® Notes® client and contains the names and addresses of users and groups added by Notes users.
personal agent Synonym droid. See bot.
personal authenticating information (PAI) Information such as a secret password, a badge, or biometric data-or any combination of these-used to authenticate a user's identity. [After X9.26]
Personal Communications Service See PCS.
Personal Communications Service (PCS) Any of several types of wireless, voice and/or data communications systems, typically incorporating digital technology.
personal de-registration The process by which end users cancel a previous registration to a terminal. [T1.702-1995] [T1.Rpt34-1994]
personal file Material belonging to an individual that was not created or received in the conduct of business while in the employ of an organization
personal identification device (PID) A physical device possessed by a user for authentication purposes [CESG].
personal identification number A unique and secret identification code similar to a password that is assigned to an authorized user and used to gain access to personal information or…
Personal Identification Number (PIN) (PIN) Generally a four-character number or word, the PIN is the secret code given to credit or debit cardholders enabling them to access their accounts.
Personal Identity Verification Authorizing Official An individual who can act on behalf of an agency to authorize the issuance of a credential to an applicant.
Personal Identity Verification Card (PIV Card) Physical artifact (e.g., identity card, smart card) issued to an individual that contains stored identity credentials (e.g.
Personal Identity Verification Issuance Authority An authorized identity card creator that procures FIPS approved blank identity cards, initializes them with appropriate software and data elements for the…
Personal Identity Verification Registration Authority An entity that establishes and vouches for the identity of an applicant to a PIV Issuing Authority.
Personal Identity Verification Requesting Official An individual who can act on behalf of an agency to request a credential for an applicant.
personal mobility In universal personal telecommunications (UPT), (a) the ability of a user to access telecommunication services at any UPT terminal on the basis of a…
personal mobility controller In UPT (universal personal telecommunications), a facility that provides the control logic for user authentication, service request validation, location…
personal mobility management In PCS (personal communication service), the capability that (a) provides authentication of user identification and maintains user location information in…
personal number A number that uniquely identifies a PCS or UPT user (universal personal telecommunications service user) and is used to place, or forward, a call to that…
personal papers the records or archives of a private individual or family.
Personal Profile The Personal Profile is a Java ME profile specification. Layered on the Foundation Profile and CDC, the Personal Profile will be the next generation of…
personal registration In universal personal telecommunications, the process of associating a UPT user with a specific terminal.
personal station A light-weight, pocket-sized FPLMTS terminal (Future Public Land Mobile Telecommunication Systems terminal). [CCITT (ITU-T) Rec. F.115]
personal terminal In personal communications service, a lightweight, small, portable terminal that provides the capability for the user to be either stationary or in motion…
personal view A view of a list, SharePoint document library, or Web Part Page that is available only to a particular user.
Personal Web Navigator A feature that retrieves, displays, searches for, and stores Web pages in a local Personal Web Navigator database. This database is stored locally.
Personalization Altering the search results based on a person's location, search history, content they recently viewed, or other factors relevant to them on a personal…
personalized Web Part A shared Web Part that has been modified by a user in personal view. The changes made to a Web Part personalized in this way are visible only to the user…
PersonalJava PersonalJava is a Java environment based on the Java virtual machine (JVM) and a set of APIs similar to a JDK 1.1 environment.
PERT Program Evaluation and Review Technique. 223
PERT Chart A graphic portrayal of milestones, activities, and their dependency upon other activities for completion, and depiction of the critical path.
pervasive computing the ability to perform computing tasks from any location using a variety of devices, being brought about by the convergence of miniaturized electronics…
PESHE Programmatic Environmental Safety and Health Evaluation.
PET A NPC controlled by a player such as a Wolf, Infernal, and so on.
Petabyte A measure of data size. One petabyte is equivalent to 1,000 terabytes.
PFC Prototype Flight Cryocooler .
PFCA (Public folder connection agreement) A connection agreement in the Active Directory Connector (ADC) that is responsible for replicating Public Folder proxy objects between the Exchange 5.
PFD A personal flotation device or life jacket.
PFIAB Presidents Foreign Intelligence Advisory Board.
PFRD Protected Forest Root Domain
PFS Pre-Feasibility Study (UKMOD).
PGG Patrol Gunboat, Guided missile (Naval term).
PGGH Patrol Gunboat Guided Missile Hydro-foil (Naval term).
PGM Precision Guided Munition .
PGP Abbreviation for pretty good privacy. A publicly available implementation of a public-key encryption system using no trusted third party.
PGU Power Generation Unit.
PH&S Packaging, Handling and Storage (see PHST) (ILS term).
phantom circuit A third circuit derived from two suitably arranged pairs of wires, called side circuits, with each pair of wires being a circuit in itself and at the same…
phantom facility A transmission facility derived with repeating coils from two or more pairs of wires. [T1.238-1994/97] Synonyms phantom circuit, phantom pair.
phantom group Three circuits that are derived from simplexing two physical circuits to form a phantom circuit.
phantom pair Synonyms [loosely] phantom circuit, phantom facility.
Pharming A method of capturing sensitive information (such as Social Security numbers and passwords) by fooling a user into entering such information on a fake Web…
Phase Alternating current is carried by conductors and a ground to residential, commercial, or industrial consumers.
phase angle Of a periodic wave, the number of suitable units of angular measure between a point on the wave and a reference point.
phase bandwidth Of a network or device, the width of the continuous frequency range over which the phase-vs.
phase coherence The state in which two signals maintain a fixed phase relationship with each other or with a third signal that can serve as a reference for each.
phase coherent See phase coherence.
phase constant The imaginary part of the axial propagation constant for a particular mode, usually expressed in radians per unit length.
phase delay In the transmission of a single-frequency wave from one point to another, the delay of an arbitrary point in the wave that identifies its phase.
phase departure A phase deviation from a specified value. 2. An unintentional deviation from the nominal phase value.