Technology terms starting with P

1,398 terms

public key An encryption key associated with a Notes ID that is used to verify an electronic signature, encrypt a message, or identify an authenticating user.
Public Key (Asymmetric) Cryptographic Algorithm A cryptographic algorithm that uses two related keys, a public key and a private key.
public key certificate A unique electronic stamp stored in a Notes or Domino ID file that associates a name with a public key.
public key cryptography Public key cryptography uses a key with two parts. The public key part is used for encryption exclusively for the recipient, whose private key part is…
Public Key Infrastructure An architecture which is used to bind public keys to entities, enable other entities to verify public key bindings, revoke such bindings, and provide…
Public Key Infrastructure (PKI) A set of policies, processes, server platforms, software and workstations used for the purpose of administering certificates and public-private key pairs…
public key validation See key validation.
public land mobile network (PLMN) A network that is established and operated by an administration or by a recognized operating agency (ROA) for the specific purpose of providing land…
public record A record available to the public A record made by a public officer or a government agency in the course of the performance of a duty See also private…
Public Safety Resources related to emergency services. For example, Fire, EMS, and Police.
Public Seed A starting value for a pseudorandom number generator. The value produced by the random number generator may be made public.
Public Services Resources related to social and governmental services provided to the public.
public subnet A subnet whose instances can be reached from the Internet.
public switched network (PSN) Any common carrier network that provides circuit switching among public users. Note: The term is usually applied to public switched telephone networks…
public switched NS/EP telecommunications services Those NS/EP telecommunications services utilizing public switched networks. Note: Public switched NS/EP telecommunication services may include both…
public switched telephone network (PSTN) A domestic telecommunications network usually accessed by telephones, key telephone systems, private branch exchange trunks, and data arrangements.
public utilities commission (PUC) In the United States, a state regulatory body charged with regulating intrastate utilities, including telecommunications systems.
public-key encryption A form of encryption that utilizes a unique pair of keys, one (the "public key") being openly known, and the other (the "private key"), being known only…
public-key traceability In public-key cryptography, of the transmission protocol, the characteristic that facilitates verification, by the recipient of a message, of all public…
publication Any document that is available to the public anywhere in the world. MPEP 2128, MPEP 2128.01, MPEP 2128.02.
publish To make a document available to readers. See also: approve
publish/subscribe messaging system A messaging system in which clients address messages to a specific node in a content hierarchy, called a topic.
published public record any public record in any medium, whether print, electronic format, motion picture, audio recording, video recording, or the like, that has been prepared…
PUC A widely used expression plasmid containing a -galactosidase gene. (See Plasmid.)
Pull Selectively start combat with a Mob, usually with a ranged attack, and then leading this Mob back to a safer area in order to separate them from other…
Pull-down list On a web form, where the user chooses from a list of items. For example, if you are asked to identify which country you are from, this will typically be…
pull-in frequency range The maximum frequency difference between the local oscillator or clock and the reference frequency of a phase-locked loop over which the local oscillator…
pulsating direct current A direct current (dc) that changes in value at regular or irregular intervals. Note: A pulsating direct current may change in value, i.e.
Pulse A short burst of electromagnetic energy that a radar sends out in a straight line to detect a precipitation target.
pulse amplitude The magnitude of a pulse parameter, such as the field intensity, voltage level, current level, or power level.
pulse broadening An increase in pulse duration. Note: Pulse broadening may be specified by the impulse response, the root-mean-square pulse broadening, or the…
pulse carrier An electromagnetic wave that (a) consists of a series of pulses usually of constant length, amplitude, spacing, and repetition rate when not modulated and…
pulse decay time Synonym fall time.
pulse density A measure (or an expression) of the number of "ones" (marks, pulses) in relation to the total number of digit time slots transmitted. [After T1.408-1990]
pulse distortion See distortion.
Pulse Duration The time over which a radar pulse lasts. The pulse duration can be multiplied by the speed of light to determine the pulse length or pulse width.
pulse duty factor In a periodic pulse train, the ratio of the pulse duration to the pulse period.
Pulse Length The linear distance in range occupied by an individual pulse from a radar. h = c * t , where t is the duration of the transmitted pulse, c is the speed of…
pulse link repeater (PLR) A device that interfaces concatenated E&M signal paths. Note 1: A PLR converts a ground, received from the E lead of one signal path, to -48 Vdc, which is…
pulse period The reciprocal of the pulse repetition rate.
Pulse Repetition Frequency In radar, the number of pulses the occur each second. Not to be confused with transmission frequency which is determined by the rate at which cycles are…
Pulse Repetition Frequency (PRF) The amount of time between successive pulses, or bursts, of electromagnetic energy that is transmitted by a radar.
pulse repetition rate The number of pulses per unit time.
pulse rise time See rise time.
pulse string Synonym pulse train.
pulse stuffing See bit stuffing.
pulse train A series of pulses having similar characteristics. Synonym pulse string.
Pulse Width Same as Pulse Length; the linear distance in range occupied by an individual pulse from a radar.
pulse-address multiple access (PAMA) The ability of a communication satellite to receive signals from several Earth terminals simultaneously and to amplify, translate, and relay the signals…
pulse-amplitude modulation (PAM) Modulation in which the amplitude of individual, regularly spaced pulses in a pulse train is varied in accordance with some characteristic of the…
pulse-code modulation (PCM) Modulation in which a signal is sampled, and the magnitude (with respect to a fixed reference) of each sample is quantized and digitized for transmission…
pulse-duration modulation (PDM) Modulation in which the duration of pulses is varied in accordance with some characteristic of the modulating signal.
pulse-frequency modulation (PFM) Modulation in which the pulse repetition rate is varied in accordance with some characteristic of the modulating signal.
pulse-interval modulation See pulse-position modulation.
pulse-length modulation Deprecated synonym for pulse-duration modulation.
pulse-position modulation (PPM) Modulation in which the temporal positions of the pulses are varied in accordance with some characteristic of the modulating signal.
pulse-repetition-rate modulation Synonym pulse-frequency modulation.
pulse-time modulation (PTM) The general class of pulse-code modulation in which the time of occurrence of some characteristic of the pulsed carrier is varied with respect to some…
pulse-width modulation (PWM) Deprecated synonym for pulse-duration modulation.
pulsed FM systems A spread spectrum system in which the RF carrier is modulated with a fixed period and fixed duty cycle sequence.
Pulsed Power EMR Radiated fields that have very high instantaneous peak field strengths or power density but significantly lower average values.
pulsing In telephony, the transmission of address information to a switching office by means of pulses, i.e., signals, that originate from the subscriber, i.e.
pulverization A method of destroying records using a device that renders documents into small, random-shaped particles
pump frequency The frequency of an oscillator used to provide sustaining power to a device, such as a laser or parametric amplifier, that requires rf or optical power.
Pumping Mechanical transfer of fluids.
pumpkin A notional "baton" handed around the Perl community indicating who is the lead integrator in some arena of development.
pumpking A "pumpkin" holder, the person in charge of pumping the pump, or at least priming it. Must be willing to play the part of the Great Pumpkin now and then.
punctuation Symbols such as commas and semicolons, which a compiler uses to understand the structure of a program.
PUR Program Update Review (OSD term).
Purchase Order (PO) A contractual procurement document used primarily to procure supplies and nonpersonal services when the aggregate amount involved in any one transaction…
pure binary numeration system See binary notation.
PureTLS http://www.rtfm.com/puretls/
Purge To remove information that has no further value from a file, usually according to a records retention schedule
purging Rendering stored information unrecoverable by laboratory attack. [INFOSEC-99]
Push Refers to the player and the dealer having the same total. Usually the player's bet is returned when there is a push.
push-down file See last-in first-out.
push-to-talk (PTT) operation In telephone or two-way radio systems, that method of communication over a speech circuit in which the talker is required to keep a switch operated while…
push-to-type operation In telegraph or data transmission systems, that method of communication in which the operator at a station must keep a switch operated in order to send…
pushbutton dialing Dialing in which (a) pushbuttons or keys are used to actuate and connect audible tone oscillators to a line, (b) each button or key corresponds to a…
pushbutton failover Use of the cmrecovercl command to allow all package recovery groups to start up on the Recovery Cluster following a significant cluster event on the…
PV A "pointer value", which is Perl Internals Talk for a char*.
PV HCT Photovoltaic Mercury Cadmium Telluride.
PV links A method of LVM configuration that allows you to provide redundant disk interfaces and buses to disk arrays, thereby protecting against single points of…
PVB Project Validation Board (MILCON term).
PVC Permanent virtual circuit. A network connection with a static route defined in advance, usually by manual setup.
PVO (PVO Strany ) Russian organization formerly responsible for the air and space defense of their homeland.
PVOL (Primary Volume) A primary volume configured in an XP series disk array that uses Continuous Access.
PVT Payload Verification Test.
pW Precipitable Water - measure of the depth of liquid water at the surface that would result after precipitating all of the water vapor in a vertical column…
PWBS Program Work Breakdown Structure.
PWG Product Working Group.
PWM Abbreviation for pulse-width modulation, which is a deprecated synonym for pulse-duration modulation.
PWP Abbreviation for permanent wilting point.
pWp0 Abbreviation for picowatts, psophometrically weighted, measured at a zero-dBm transmission level point. See dBm(psoph), psophometer.
PWR Pressurized Water Reactor.
pX Abbreviation for peak envelope power (of a radio transmitter).
PY Prior Year.
Pyrotechnic A mixture of chemicals which, when ignited, is capable of reacting exothermically to produce light, heat, smoke, sound, or gas, and may be also used to…