Technology terms starting with P

1,398 terms

  1. (PC)NFS Personal Computer Network File System.
  2. p × 64 In video teleconferencing, pertaining to a family of CCITT (now, ITU-T) Recommendations, where p is a non-zero positive integer indicating the number of…
  3. P 2 Pollution Prevention.
  4. p 2 NRTA&A Pre-Planned Near-Real-Time Assessment and Adaptation.
  5. P 3 Pollution Prevention Program.
  6. P 3 I Preplanned Product Improvement.
  7. P N A semiconductor (photovoltaic) device structure in which the junction is formed between a p-type layer and an n-type layer.
  8. P&D Planning and Design (MILCON term).
  9. P&M (1) Producibility and Manufacturing. (2) Procure and Manufacture.
  10. P1 message header The P1 message header is the [transport envelope] address information that is used by message transfer agents (MTAs) to route mail.
  11. P2 Pollution Prevention.
  12. P2 message header The P2 message header contains only the message recipient data that the sender declared to the recipients.
  13. P2V (Physical to Virtual) migration migrating an operating system and its installed applications from a physical computer to a virtual machine (or a partition), without modification.
  14. P3 Pollution Prevention Program.
  15. PA (1) Product Assurance. (2) Public Affairs.
  16. PA&E Program Analysis and Evaluation.
  17. PA&ID Program Analysis and Integration Directorate.
  18. PaaS (Platform as a Service) is comparable to renting servers from large data centres. The "rented server" is yours to do with as you please so you can put any stack you want on the…
  19. PAB (Personal Address Book) A customizable address list in which a user can add and delete names of users and personal distribution lists to which messages frequently are addressed.
  20. PABX Abbreviation for private automatic branch exchange. See PBX. Note: Use of the term "PBX" is more common than "PABX," regardless of automation.
  21. PAC Patent Assistance Center (prior), now the Inventors Assistance Center or IAC, call (toll-free) 1-800-786-9199 or 703-308-4357
  22. PAC-2 PATRIOT Advanced Capability-2
  23. PAC-2/-3 PATRIOT Advanced Capability, Level 2/Level 3. Formerly called ERINT.
  24. PAC-3 PATRIOT Advanced Capability-3
  25. PAC-3 SIM PAC-3 Simulation (PATRIOT), Huntsville, AL.
  26. PAC-4 PATRIOT Advanced Capability-4.
  27. PACA Professional Aerospace Contractors Association.
  28. PACAF [United States} Air Forces Pacific.
  29. PACBAR Pacific [Radar] Barrier.
  30. PACFLT Pacific Fleet (US).
  31. Pacifica A code name for AMD's version of virtualization assist, included in some 64-bit AMD processors. See AMD Virtualization.
  32. Pacifica, AMD See virtualization hardware assist.
  33. Pack slip A lateral slip of selected tape windings causing high or low spots (when viewed with tape reel laying flat on one side) in an otherwise smooth tape pack.
  34. package A group of files that modify Windows features. Package types include service packs, security updates, language packs, and hotfixes.
  35. package access See package.
  36. package alert Time at which a message is sent indicating a problem with a package.
  37. package declaration A declaration used to name a package. This must be the first item in a source file, preceding any import statements. For instance, package java.lang;
  38. package event A package condition such as a failure that causes a notification message to be sent. Package events can be accompanied by alerts, but not alarms.
  39. package recovery group A set of one or more packages with a mapping between their instances on the cluster and their instances on the Recovery Cluster.
  40. Packaging, Handling, Storage, and Transportation (PHS&T) The resources, processes, procedures, design considerations, and methods to ensure that all system, equipment, and support items are preserved, packaged…
  41. Packet A unit of data sent across a network which may contain identify and routing information.
  42. packet assembler/disassembler (PAD) A functional unit that enables data terminal equipment (DTE) not equipped for packet switching to access a packet-switched network.
  43. packet entry event A packet layer reference event that corresponds to a packet entering a network section (from a circuit section) or a packet entering a DTE (from an access…
  44. packet exit event A packet layer reference event that corresponds to a packet exiting a network section (to a circuit section) or a packet exiting a DTE (to an access…
  45. packet filter A type of firewall in which each packet is examined and either allowed to pass through or is rejected, based on local security policy. [INFOSEC-99]
  46. packet filtering The action a device takes to selectively control the flow of data to and from a network.
  47. packet format The structure of data, address, and control information in a packet. Note: The size and content of the various fields in a packet are defined by a set of…
  48. packet header A header consisting of octets 4 to 8 (inclusive) of the frame (flags excluded from the octet numbers). [After T1.509-1995]
  49. packet Internet groper See ping.
  50. packet layer reference event The event that occurs when a packet crossing a section boundary changes the state of the packet layer interface. [T1.504-1989]
  51. packet mode A mode of operating a communications network in which packet switching is used rather than message switching. [From Weik '89]
  52. Packet Protocol/Packetized SCSI This Ultra320 SCSI feature speeds the transfer of data, command, and status packets over earlier generations of SCSI.
  53. Packet Sniffer Software that observes and records network traffic.
  54. packet stream A collection of logical links multiplexed together onto one physical channel between two endpoints of the wideband packet network. [T1.509-1995]
  55. packet switching The process of routing and transferring data by means of addressed packets so that a channel is occupied during the transmission of the packet only, and…
  56. Packet Switching (PSW) A data transmission process, utilizing addressed packets, whereby a channel is occupied only for the duration of transmission of the packet.
  57. packet trace A facility for tracing network traffic that is directed to a filer. See also "network trace."
  58. packet transfer mode A method of information transfer, by means of packet transmission and packet switching, that permits dynamic sharing of network resources among many…
  59. packet-mode terminal Data terminal equipment (DTE) that can control, format, transmit, and receive packets.
  60. packet-switched data transmission service A service that (a) provides for the transmission of data in the form of packets, (b) switches data at the packet level, and (c) may provide for the…
  61. packet-switching network A switched network that transmits data in the form of packets.
  62. packet-switching node In a packet-switching network, a node that contains data switches and equipment for controlling, formatting, transmitting, routing, and receiving data…
  63. packetization interval Defines the duration of the sampled speech of the access channel that has been collected, coded, and packetized.
  64. PACOM U.S. Pacific Command.
  65. PACOSS Passive and Active Controls of Space Structures.
  66. PAD Short for "scratchpad".
  67. padding In cryptography, a bit or a string of bits appended to a message either for filtering purposes or to cause the message to contain an even multiple of the…
  68. PADIL Patriot Data & Information Link. 218
  69. padlocking The use of special techniques to protect data or software against unauthorized copying. [2382-pt.8]
  70. PAFB Patterson Air Force Base.
  71. page extent Defines a rectangular portion of the graphics page to be displayed.
  72. Page Popularity A measure of the number and quality of links to a particular page (inbound links). Many search engines [...
  73. Page title See "title tag"
  74. Page View Used in site statistics as a measure of pages viewed rather than server hits. Many server hits may be made to access a single page, causing many separate…
  75. Page, Larry Co-founder of Google.
  76. Pagejacking Stealing high-ranking web page content from another site and placing it on your site in the hopes of increasing your own site's search engine rankings.
  77. pager A small radio receiver designed to be carried by a person and to give an aural, visual, or tactile indication when activated by the reception of a radio…
  78. PageRank A logarithmic scale based on link equity which estimates the importance of web documents.
  79. PageRank (PR) Google uses a weighted form of link popularity called PageRank™. Not all links are created equal.
  80. Pageviews see "Impression"
  81. pagination Some APIs that return a potentially large list of records can return a subset by using a value to set the maximum number of returned records.
  82. paging A one-way communications service from a base station to mobile or fixed receivers that provide signaling or information transfer by such means as tone…
  83. paging and radiotelephone service See PARS.
  84. paging receiver See pager.
  85. paging system A one-way mobile radio service where a user carries a small, lightweight miniature radio receiver capable of responding to coded signals.
  86. paid AMI An Amazon Machine Image (AMI) that you sell to other Amazon EC2 users.
  87. Paid Inclusion A method of allowing websites which pass editorial quality guidelines to buy relevant exposure. See also: Directories such as the Yahoo!
  88. Paid placement paying a search engine to have your listing show up prominently. These listings are usually denoted as "sponsored listings."
  89. pair-gain system A transmission system that uses concentrators or multiplexers so that fewer wire pairs may be used than would otherwise be required to provide service to…
  90. paired cable A cable made up of one or more separately insulated twisted-wire pairs, none of which is arranged with another to form quads.
  91. paired disparity code A code in which some or all of the characters are represented by two sets of digits of opposite disparity that are used in sequence so as to minimize the…
  92. PAL Permissive Action Link.
  93. PAL-M A modified version of the phase-alternation-by-line (PAL) television signal standard (525 lines, 50 Hz, 220 V primary power), used in Brazil.
  94. palm computer See palm-top.
  95. Palm Print Recognition A biometric modality that uses the physical structure of an individual's palm print for recognition purposes, as illustrated below.
  96. palm-top A small (pocket-size), hand-held computer, often including network-access software, personal-schedule software, and a basic word processor.
  97. PALS Protection Against Limited Strikes (SDIO term).
  98. PAM Pulse Amplitude Modulation.
  99. PAMA Abbreviation for pulse-address multiple access.
  100. PAN Polyacrylonatrile [carbon fiber].