Usage glossary for computers letter P

• What is Extension Address Physical Definition method of allowing Intel 32bit x86 processors to exceed the normal 4GB limit of addressable memory space, allowing access to memory beyond 4GB. Whilst PAE allows the total available memory to extend compare
• What is 3 Version Pop Explain POP 3 Post Office Protocol version 3. Used for accessing email, see POP for details.The version of POP adopted is version 3, hence the name POP 3 why
• What is Patter and Component Markup Language What is PCML Patter and Component Markup Language. Relevant links: www.objectventure.com/pcml.html how better
• What is Unit Supply Power Meaning device that converts from the mains AC electrical supply into DC voltage (or voltages) required by an electronic device. A PSU may be internal to the device or external. Typically the larger the when
• What is Graphics Network Portable Abbreviation compressed loss-less image format. Image files saved using the PNG format are usually given a .png file extension. Relevant links: www.libpng.org/pub/png Contributed by Kenneth Nellis determines
• What is Atm Over Ppp How to PPPoA Point-to-Point Protocol over ATM comparing to
• What is Virtual To Physical Help P2V Physical To Virtual depends on
• What is Psion computers operating system Crossword 1997 by Psion computers. Suited for embedded mobile devices, it is used both in many handheld mobile devices, including some mobile phones (for example Nokia). EPOC also forms the basis of of the which
• What is Package and Deployment Wizard Examples PDW Package and Deployment Wizard difference
• What is Public Switched Network / Packet Switch Node Encyclopedia PSN 1. Public Switched Network. 2. Packet Switch Node when
• What is Executable Portable Information about PE Portable Executable. Typically Java (running on a Java Virtual Machine) or .NET (running on CLR pros and cons
• What is Time Standard Pacific Tutorial PST Pacific Standard Time. Abbreviated name for the time zone used on the West coast of America. PST = UTC - 8 hours similarities
• What is Port Address Translation / Portable Appliance Testing / Public AccessTerminal / Performance Acceleration Technology Error Portable Appliance Testing. Periodic inspection and testing of portable appliances for electrical safety and maintenance. Relevant links: www.pat-testing.info 3. Public Access Terminal. Refers to how much
• What is Recording Magnetic Perpendicular Answer technique for obtaining higher storage capacity from disks. Also known as PR (Perpendicular Recording). Relevant links: www.hitachigst.com/hdd/research/recording_head/pr/ - Information on Perpe how many
• What is Public Key Cryptography Standard Means what PKCS Public Key Cryptography Standard compare
• What is Phase Alternating Line (tv standard) Description name of the analogue television standard used in Westren Europe, Australisa, New Zealand and parts of Asia. A PAL picture is made of 625 scan lines of which 575 are visible. cf NTSC, SDTV, HDTV why
• What is Please Definition Pls Chat abbreviation for "Please" how better
• What is Plain Old Telephone Service Explain POTS Plain Old Telephone Service when
• What is Public service agreement / Public service advert / Public serviceannouncement / Psalms What is voluntary program set up by central government, typically with the objective of setting voluntary service or performance targets. 2. Public Service Advert. A type of advertisement served up by determines
• What is Parser generator tool available on Unix systems Meaning YACC Parser generator tool available on Unix systems. YACC stands for Yet Another Compiler Compiler comparing to
• What is Point Of View / Privately Owned Vehicle Abbreviation context, POV may mean any of the following: As a chat abbreviation: POV is an abbreviated way of writing "point of view". The view from a camera. POV here meaning the point of view from depends on
• What is Percentage with a lower score or rank / percentage with a lower or equal rank How to distribution with a lower score or rank. For example if 70% of the population were shorter than you, then your height would be said to be at the 70th percentile. See also quintile, decile. 2. The per which
• What is Petabyte / Playback / Lead / Personal Best / Paper Back Help bytes. 2. Abbreviation for Play Back. 3. In chemistry Pb stands for Lead. Lead is a soft metal, historically commonly used for pipes, roofing and in paint. Less commonly used today because of its da difference
• What is Packing And Postage Crossword P&P Postage and Packing. Also abbreviated to P+P when
• What is Mode Ftp Passive Examples to get around a problem where a firewall will block FTP communications. A firewall protecting a client will allow outgoing connections but block incoming ones. The issue with FTP is that whilst the pros and cons
• What is Library Imaging Python Encyclopedia that adds image processing capabilities to applications that use Python.Relevant links: www.pythonware.com/products/pil/ - Python Imaging Library, download and information similarities
• What is Parallel Cache Management / Pulse Code Modulation Information about PCM 1. In an Oracle database: Parallel Cache Management. 2. Pulse Code Modulation. A scheme for encoding analogue audio data as a series of pulses, i.e. as digital data.  how much
• What is Position Oriented Navigation Code Tutorial Code. A PON code is a postcode system developed for Ireland that is based on geographic coordinates. A PON Code is a seven character alphanumeric code generated from a longitude and latitude. Each how many
• What is Book Address Personal Error PAB Personal Address Book, used by Outlook and other Microsoft Windows e-mail programs compare
• What is Password / Print Working Directory Answer for "Password". 2. Print Working Directory, or Present Working Directory.PWD is a Unix command which prints (i.e. displays) the full path of the current working directory why
• What is Firewall Personal Means what PFW Personal Firewall. A firewall intended to protect a single PC. Usually a software firewall how better
• What is Assistant Digital Personal Description generic term used to describe any small portable hand-held electronic device that provides a minimum of storage and retrieval functions, such as calendar and address book. PDAs are also referred to when
• What is Language Job Printer Definition developed by Hewlett-Packard to provide a method for switching printer languages and for communicating status information between a printer and host computer.Relevant links: http://lprng.sourceforge determines
• What is Pretty Darn Quick / Parallel Database Query Explain Quick. Means as soon as possible..Similar in meaning to ASAP. 2. Parallel Data Query (or Parallel Data Queries). Refers to breaking a query down into a number of smaller parts each of which can then comparing to
• What is Personal Computer / Politically correct / Piece What is designed for use by one person at a time.Once generally accepted to refer to an IBM PC compatible (i.e. x86 based system typically running some version of Microsoft Windows or DOS). Typically these depends on
• What is Service Rate Premium Meaning PRS Premium Rate Service. A service provided at a higher cost but normally with better features or performance than a non-premium rate service which
• What is Putting something down / Person with little or no knowledge / To kill-file Abbreviation something down. For example to plonk a bag on a table would be to put a bag down on a table. 2. Person with Little Or No Knowledge. A derogatory term, cf noob. Whereas someone might describe difference
• What is Plug and Play / Pen and Paper How to PnP 1. Abbreviation for Plug and Play. 2. Abbreviation for Pen and Paper when
• What is Pre-boot Execution Environment Help PXE Pre-boot Execution Environment. An Intel standard for booting across a LAN. A workstation boots into the PXE where it can respond to management configuration before loading the operating system pros and cons
• What is Unit Distribution Power Crossword PDU Power Distribution Unit similarities
• What is Peripheral Computer Interface / Payment Card Industry / Payment CardIndustry Data Security Standard Examples 32 or 64 bit bus architecture described by the PCI Local Bus Specification. cf ISA. 2. Payment Card Industry. 3. Payment Card Industry (PCI) Data Security Standard. See PCI DSS how much
• What is Area Global Program Encyclopedia Global Area. The PGA is a memory region containing data and control information for a single process (server or background). One PGA is allocated for each server process, the PGA is exclusive to that how many
• What is Pay per click, where an advertiser pays for each click through Information about Pay-Per-Click Pay-Per-Click, often abbreviated PPC. Where a company (or advertiser) pays (a search engine or affiliate site) for each click-through on an advertisement. cf Pay-Per-Click Fraud compare
• What is Ethernet Over Ppp Tutorial PPPoE Point-to-Point Protocol over Ethernet. Relevant links: www.vicomsoft.com/knowledge/reference/pppoe.html why
• What is View Per Pay Error PPV Pay Per View how better
• What is Plan Development Personal Answer normally covering no more than a year, which maps out individual personal development goals. A personal development plan may also indicate how those goals are to be achieved and any achievement when
• What is Format Document Portable Means what PDF Portable Document Format (file). A document format developed by Adobe, for storing and formatting published documents. PDF files are recognised by the file extension .pdf. Relevant links determines
• What is Point To Point Tunneling Protocol Description Point-to-Point Tunneling Protocol is a network protocol that provides secure transfer of data from a remote client to a server. PPTP supports multiple network protocols (IP, IPX, and NetBEUI) and comparing to
• What is Id Process Definition identifier (normally a number) which uniquely identifies a process on a given system. PIDs are assigned by the operating system automatically when a process starts depends on
• What is Price on application / Price over average Explain simply that the price of some commodity is available on request but is not made public otherwise. Price-on-application is used where it is impractical to provide a listed price because of other which
• What is File Address Postcode What is address database for addresses in the UK, containing UK addresses and postcodes. PAF is a licensed product from the Royal Mail.Relevant links: www.royalmail.com/pafnews - For information on PAF from difference
• What is Portable Application Description file Meaning Description file. A file containing product descriptions, specifications and other information, expressed in format consistent with the PAD specification (which in turn is an XML file). This allows when
• What is Personal Identification Number / Performance Improvement Network / Prior Information Notice Abbreviation A general term used to refer to any number used to authenticate a person. For example a PIN number for bank withdrawals is used to authenticate the use of a cash-card, and the cash-card cannot be pros and cons
• What is Ata Parallel How to PATA Abbreviation for Parallel ATA. PATA is the term now commonly used for what historically was termed simply IDE.PATA has a maximum data transfer rate of 133MB/sec. See ATA for details. cf SATA similarities
• What is Power On Self Test / Act of sending a newsgroup message / To send a message Help tests performed by a computer's BIOS straight after power up. 2. The act of sending a message to a newsgroup, where others can view and respond to it. The term Post can also be used to refer to that how much
• What is Point when all database data is written to disk Crossword Checkpoint At a database checkpoint the database flushes out data not yet written to disk how many
• What is Point of Interest / Point of Interface Examples used as a general term to refer to a point of interest on a map - for example city centre points could be termed points of interest, as might cash points or petrol stations. 2. Point of Interface compare
• What is Language Control Printer Encyclopedia PCL Printer Control Language. A language developed by HP in for controlling printers. Relevant links: www.hp.com - the HP website, use their site search to find further information about PCL why
• What is Programmable Read Only Memory Information about PROM Programmable Read-Only Memory (Programmable ROM). Semiconductor memory that is non-volatile (so it retains its contents when the power is off) which can be programmed only once how better
• What is PON Code / Price Of Non Conformance Tutorial postcode addressing system used in Ireland. PONC is pronounced "Punk". See PON Code for details. 2. Price Of Non Conformance. A method used to assign a financial cost to non conformance when
• What is Popular internet browser from the Mozilla Foundation Error Firefox is a graphical web browser developed by the Mozilla Foundation and is based on the Mozilla browser. It is cross platform (so runs on a wide range of software platforms), and is widely determines
• What is Infrastructure Key Public Answer ensures that, for an online transaction, the person is who they say they are and that no-one else has access to the information. Under PKI a digital certificate is generated by a trusted third party comparing to
• What is Management Data Product Means what PDM Product Data Management depends on
• What is Payment Card Industry Data Security Standard Description Security Standard. A common industry security standard developed from a collaboration between Visa and MasterCard. cf CISP. Relevant links: http://usa.visa.com/business/accepting_visa/ops_risk which
• What is Improvement Accuracy Positional Definition Typically used to refer to a project for improving the positional accuracy of geographic data. Can also be used to refer to techniques to improve the positional accuracy of geographic data difference
• What is Program Evaluation Review Technique Explain Pert Program Evaluation Review Technique. See also Pert Chart when
• What is Problem Between Keyboard And Chair What is Chair. Abbreviation indicating that a problem (or cause of a problem) is the user of the computer (and not a hardware or software problem). Similar abbreviations: ESO, PICNIC pros and cons
• What is Public Switched Telephone Network Meaning PSTN Public Switched Telephone Network. Relevant links: www.vicomsoft.com/knowledge/reference/pppoe.html www.carricksolutions.com/pppoe.php similarities
• What is Pence per minute / Pence per message Abbreviation PPM 1. Pence Per Minute - a charge rate per minute. 2. Pence Per Message - a charge rate per message how much
• What is Planning and/or management of an operation or campaign How to Strategy The planning and/or management of an operation or campaign how many
• What is Private internet like network Help Intranet Private network using internet type tools, but available only within an organisation compare
• What is Probe Problem Crossword PRB 1. Abbreviation for "Problem" 2. Abbreviation for "Probe" why
• What is Permanent Virtual Channel / Permanent Virtual Circuit / PermanentVirtual Connection Examples PVC 1. Permanent Virtual Channel. 2. Permanent Virtual Circuit. 3. Permanent Virtual Connection how better
• What is Private Internet eXchange (firewall) Encyclopedia of a firewall the design of which was acquired by Cisco systems in 1995.Relevant links: http://www.netcraftsmen.net/welcher/papers/pix01.html - Cisco PIX Firewall Basics when
• What is Controller Domain Primary Information about Windows NT domain, one domain controller is the primary domain controller and any other domain controllers are backup ones (BDC). The distinction between PDC and BDC do not exist in Windows 2000 and determines
• What is Part of an intranet accessible externally Tutorial Extranet An intranet (or part of an intranet) that is accessible to computers outside of the company.  comparing to
• What is Routing Based Policy Error links: www.cisco.com/warp/public/732/Tech/plicy_wp.htm - Information about Policy Based Routing. www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/qos_c/qcpart1/qcpolicy.htm#4553 depends on
• What is Pictorial presentation of a logical sequence of steps Answer showing the individual steps and sequence of those steps in a procedure or system. It provides a graphic pictorial representation of the sequence of steps. Relevant links: http://en.wikipedia which
• What is Board Wiring Printed Means what but in Japan is normally referred to as PWB to avoid confusion with "Polychlorinated Biphenyls (PCBs)" which is a poison. Relevant links: www.interq.or.jp/japan/se-inoue/e_prin difference
• What is Inclusion For Pay Description PFI Pay For Inclusion. Normally refers to a search engine that will only include a site in its database in return for a fee when
• What is Exchange Branch Private Definition PBX Private Branch Exchange pros and cons
• What is Point-to-Point Protocol Explain PPP Point-to-Point Protocol similarities
• What is Programmable Logic Controller / Power Line Communications / PublicLimited Company What is Power Line Communications. Means the same as Broadband over Power Lines, see BPL for details. 3. Public Limited Company. A registered company in the UK, owned by shareholders how much
• What is Performance Management System / Pantone Matching System Meaning Pantone Matching System. A standard system for selecting and matching colours, where each colour and shade is assigned a unique number.Relevant links: www.pantone.com/Pages/Pantone/Pantone.aspx?pg how many
• What is Information Identifiable Personal Abbreviation Personal Identifiable Information is any information which can be used to track back to an individual. PII is therefore any information which can be used to identify an individual, whether directly compare
• What is Platform for Privacy Preferences How to P3P Platform for Privacy Preferences. Relevant links: www.w3.org/P3P - Platform for Privacy Preferences (P3P) Project why
• What is Protocol Authentication Password Help PAP Password Authentication Protocol how better
• What is Board Circuit Printed Crossword PCB Printed Circuit Board. See also PWB when
• What is Practical Extraction and Reporting Language Examples Language.A common scripting language used on both Windows and UNIX platforms. It was originally popular on UNIX platforms but is now common on Windows systems, particularly for server scripting determines
• What is Recorder Video Personal Encyclopedia PVR Personal Video Recorder (or Personal Video Recording). Similar in concept to a video recorder, but records in digital typically to solid state storage or to disk comparing to
• What is Policy for keeping equipment up to date Information about software and hardware resources up to date. For example a simple evergreening policy might be to replace all computers older than four years with new models. cf "technology replacement" depends on
• What is Output Input Programmed Tutorial PIO Programmed Input/Output which
• What is Paint Shop Pro / Professional Support Partnership Error PSP 1. Paint Shop Pro. A popular and versatile commercial package for manipulating images. 2. Professional Support Partnership difference
• What is Personal Area Network / Horizontal rotation / To move Answer wireless network that covers a few meters around a person's workspace. A PAN is used for communication between personal devices, such as bluetooth devices like wireless keyboards, headphones, cell when
• What is Public Relations / Page Rank / Problem Report / Progress Report /Perpendicular Recording Means what Usually refers to Google's "PageRank" algorithm. 3. Problem Report. 4. Progress Report. 5. Perpendicular Recording. See PMR (Perpendicular Magnetic Recording pros and cons
• What is Click Per Pay Description PPC Abbreviation for Pay Per Click similarities
• What is Proxy Auto-Configuration (file) Definition PAC file (which is a .js file) provides a means to allow browser proxy configuration to be configured through the use of a single JavaScript function FindProxyForURL() Conceptually each time the how much
• What is Metrics Font Printer Explain PFM Printer Font Metrics. A file that describes fonts for a printer how many
• What is Protocol Office Post What is for accessing e-mail, allowing e-mails to be downloaded form a server, stored locally and therefore available for off-line reading. cf POP 3. See also: IMAP, SMTP. Relevant links: www.ci compare
• What is Chart Management Project Meaning for project management. Each task is illustrated as a horizontal bar on a chart, with time along the horizontal axis and tasks along the vertical axis. See also Pert chart why
• What is People / Pay per lead Abbreviation 2. Pay Per Lead. An affiliate marketing term meaning that a payment (or commission) is paid for each lead, regardless of whether this ends in a sale. Depending on the content a lead may be a how better
• What is Pain In the A*** How to PITA Chat abbreviation for: Pain In The Arse/Ass. Used to refer to a troublesome problem, which may be a recurring problem or a one-off issue when
• What is Program code made available to others Help available for view, reuse and modification by others, normally with no license fee or restrictions on use. Relevant links: www.opensource.org/docs/definition_plain.php - The full comp determines
• What is Loss And Profit Crossword P&L Profit and Loss. Also abbreviated to P+L comparing to
• What is Print queue that feeds a collection of printers Examples Printer Pool A single print queue that feeds a collection of multiple printers depends on
• What is Point Interception Packet Encyclopedia PIP Packet Interception Point which
• What is Problem In Chair Not In Computer Information about Computer. An abbreviation indicating that a problem was not computer related but lies with the person in the chair, i.e. a user related problem.Similar abbreviations: PBKAC and ESO difference

Definitions for computer scientists

Computer library, software engineers in practical use.

Windows Problem In Chair Not In Computer definition Packet Interception Point explain Print queue that feeds a collection of printers what is Profit and Loss meaning. explain.

What is Physical Address Extension definition POP version 3 explain Patter for developers.