Technology — page 139 of 206

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

Technology terms

picture Synonym image.
picture black In TV and facsimile, pertaining to the signal or signal level that corresponds to the darkest part, i.e.
Picture Element The smallest addressable unit on a display screen. The higher the resolution (the more rows of columns), the more information can be displayed.
Picture Element (PIXEL) The smallest element of a display space that can be independently assigned color and intensity; the finest detail that can be effectively reproduced on a…
picture frequency In analog facsimile systems, a baseband frequency generated by scanning an object.
picture white In TV and facsimile, pertaining to the signal level that corresponds to the brightest part, i.e.
PIDS Prime Item Development Specification.
piecewise linear encoding See segmented encoding law.
piecewise linear encoding law Synonym segmented encoding law.
Pig An air manifold having a number of pipes which distribute compressed air coming through a single large line.
piggyback entry Unauthorized access to a data processing system via an authorized user's legitimate connection. [2382-pt.8]
pigtail A short length of optical fiber that is permanently affixed to an active device, e.g.
pilot 1. A signal, usually a single frequency, transmitted over a communications system for supervisory, control, equalization, continuity, synchronization, or…
pilot frequency See synchronizing pilot.
pilot identifier The string that is received with a new call that is used to associate the call with a dial plan. [Exchange 2007]
pilot number A telephone number that points to a hunt group and is the access number for calls that are routed to Unified Messaging servers.
Pilot Production Production line normally established during EMD to test new manufacturing methods and procedures. Normally funded by RDT&E until the line is proven.
pilot subcarrier 1. A subcarrier that serves as a control signal for use in the reception of FM stereophonic sound broadcasts. [47 CFR 73.310] 2.
pilot tone See pilot.
pilot-make-busy (PMB) circuit 1. A circuit arrangement by which trunks provided over a carrier system are made busy to the switching equipment in the event of carrier system failure…
PIM Position of Intended Movement (USN term).
PIMS Programmable Implantable Medication System.
PIN Noncancerous growth of cells lining the internal and external surfaces of the prostate gland.
PIN (Personal Identification Number) A security method used to show "what you know." Depending on the system, a PIN could be used to either claim or verify a claimed identity.
PIN diode Acronym for positive-intrinsic-negative diode. A photodiode with a large, neutrally doped intrinsic region sandwiched between p-doped and n-doped…
PIN photodiode Synonym PIN diode.
Ping Ping is a computer network tool used to test whether a particular host is reachable across an IP network.
pink noise In acoustics, noise in which there is equal power per octave.
PIP (1) Predicted Impact Point. (2) Predicted Intercept Point. (3) Product Improvement Proposal/Program.
pipe A circular conduit constructed of any one of a number of materials that conveys water by gravity or under pressure.
pipe, to Same as "to pipeline": In the Microsoft Exchange Management Shell, the act of one cmdlet using the output of another cmdlet when it performs an operation.
pipeline A series of processes all in a row, linked by pipes, where each passes its output stream to the next.
pipelining In the Exchange Management Shell, one or more chained commands that are separated by the pipeline operator.
PIPT Program Integrated Product (Process) Team.
PIR Program Information Report.
Piston A circular element that moves up and down the cylinder, compressing the air-fuel mixture in the top of the chamber, helping to produce horsepower.
Pit An area consisting of a number of gaming tables.
Pitch Characters (or dots) per inch, measured horizontally.
pivot node The network element that routes a call to the release node, and informs the release node that it is capable of performing pivot functionality on that…
pixel Picture Element.
Pixels Per Inch (PPI) A measure of the resolution of a digital image. The higher the PPI, the more information is included in the image, and the larger the file size.
PK Player Kill or Player Killer.
PKCS Public Key Cryptography Standard.
PKH Probability of Kill, given a hit. 225
PKI Public Key Infrastructure - a system of administrative procedures and methods, combined with secure information technologies, that is used to manage…
PKI (public key infrastructure) The laws, policies, standards, and software that regulate or manipulate certificates and public and private keys.
PKO Peacekeeping Operations.
Pkss Probability of kill -- single shot.
PL Ice pellets (sleet)
PL/I A programming language that is designed for use in a wide range of commercial and scientific computer applications.
PLA (1) Peoples Liberation Army (Chinas army). (2) Patent License Agreement.
place A virtual location that is visible in the portal where individuals and groups meet to collaborate.
Placement See Positioning.
plain old telephone service (POTS) A call that requires nothing more than basic call handling. [T1.667-1999]
Plain Text The least formatted and therefore most portable form of text for computerized documents.
Plaintext The least formatted and therefore most portable form of text for computerized documents.
Plaintext Key An unencrypted cryptographic key.
Plan A benefit your employer, union or other group sponsor provides to you to pay for your health care services.
Plan of Action and Milestones (POA&M) A document that identifies tasks needing to be accomplished. It details resources required to accomplish the elements of the plan, any milestones in…
planar array An antenna in which all of the elements, both active and parasitic, are in one plane.
planar waveguide Synonym slab-dielectric waveguide.
Planck's constant The constant of proportionality, represented by the symbol h, that relates the energy E of a photon with the frequency of the associated wave through the…
Planck's law The fundamental law of quantum theory that describes the essential concept of the quanta of electromagnetic energy.
plane A part of the intelligent network conceptual model. [T1.667-1999]
plane polarization Synonym linear polarization.
plane wave A wave whose surfaces of constant phase are infinite parallel planes normal to the direction of propagation. 2.
planimetric The horizontal (x,y) locations of non-topographic features, such as rivers, lakes, buildings, roads, etc.
planimetric data Data about features on the Earth surface that are represented only by their correct horizontal position.
Planimetric Map Contains point and line map layers of visible features from aerial photography, such as streets, sidewalks, alleys, buildings, open space, utilities, etc.
planned downtime An anticipated period of time when nodes are taken down for hardware maintenance, software maintenance (OS and application), backup, reorganization…
Planning, Land Use, and Zoning For example, resources describing zoning maps, and information used for planning the environment.
Planning, Programming, Budgeting System (PPBS) The primary resource allocation process of DoD . One of three major decisionmaking support systems for defense acquisition.
Plant Station where mechanical, chemical, and/or nuclear energy is converted into electric energy.
plastic-clad silica (PCS) fiber An optical fiber that has a silica-based core and a plastic cladding. Note 1: The cladding of a PCS fiber should not be confused with the polymer overcoat…
plate modulation The modulation produced by introduction of the modulating wave into the plate circuit of any tube in which the carrier frequency wave is present.
platform A generic radar term, often used to encompass the pedestal and antenna assembly; sometimes including the radar control, display and analysis hardware and…
platform configuration register A register inside a Trusted Platform Module (TPM). This register is sufficiently large to contain a hash (currently only SHA-1).
platform profile A profile whose focus is on functionality and interfaces for a particular type of platform (e.g.
Play on Phone A Unified Messaging feature that users can use to play their voice messages or play and record personalized voice mail greetings, over a telephone.
PLCCE Program Managers Life Cycle Cost Estimate.
Plenum The space between a hanging ceiling and the floor above or roof; usually contains HVAC ducts, electrical wiring, fire suppression system piping, etc.
plesiochronous That relationship between two signals such that their corresponding significant instants occur at nominally the same rate, any variations being…
PLISN Provisioning List Item Sequence Number (ILS term).
PLL A type of chronic lymphocytic leukemia (CLL) in which too many immature white blood cells (prolymphocytes) are found in the blood and bone marrow.
plotter An output unit that presents data in the form of a two-dimensional graphic representation.
PLRS Position Location Reporting System.
PLS Abbreviation for physical signaling sublayer.
Plug and Play A type of device, such as a game controller or printer, that automatically works when you connect it to your computer.
plug in A software module that adds function to an existing program or application.
Plume Data Center AEDC, Arnold AFB, TN.
plunger Synonym piston.
PLV Payload Launch Vehicle.
PM See Program Manager.
PMA President's Management Agenda
PMASIT PMA Software Input Tool MDA/DPI S/W tool).
PMB Abbreviation for pilot-make-busy. See pilot-make-busy circuit.
PMC PCI Mezzanine Card (computer H/W term).
PMD Prognostic Discussion
PMEL Precision Measurement Equipment Laboratory.
PMI Private Mortgage Insurance; privately-owned companies that offer standard and special affordable mortgage insurance programs for qualified borrowers with…