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Glossary of IT Terms beginning with "P"

Brian Cryer's Glossary of IT Terms with Links. Definitions and links to further information on IT related terms ...

P&P
Postage and Packing, details ...
P&L
Profit and Loss, details ...
P2V
Physical To Virtual, details ...
P3P
Platform for Privacy Preferences, details ...
PAB
Personal Address Book, details ...
PAC
Proxy Auto-Configuration (file), details ...
PAD File
Portable Application Description file, details ...
PAE
Physical Address Extension, details ...
PAF
Postcode Address File, details ...
PageRank
Google's page-rank algorithm, details ...
PAI
Positional Accuracy Improvement., details ...
PAL
Phase Alternating Line (tv standard), details ......
Palladium
Code name for Microsoft security initiative, details ...
PAN
Personal Area Network / Horizontal rotation / To move, details ...
Pap
Password Authentication Protocol, details ...
Parallel ATA
More commonly known as IDE, details ...
Pastel
A light or pale colour, details ...
PASV
Passive FTP mode, details ...
PAT
Port Address Translation / Portable Appliance Testing / Public Access Terminal / Performance Acceleration Technology, details ...
PATA
Parallel ATA, details ...
Pay-Per-Click
Pay per click, where an advertiser pays for each click through, details ...
Pay-Per-Click Fraud
Repetitive clicking on ads to boost website revenue, details ...
PB
Petabyte / Playback / Lead / Personal Best / Paper Back, details ...
PBKAC
Problem Between Keyboard And Chair, details ...
PBR
Policy Based Routing, details ...
PBX
Private Branch Exchange, details ...
PC
Personal Computer / Politically correct / Piece, details ...
PCB
Printed Circuit Board, details ...
PCM
Parallel Cache Management / Pulse Code Modulation, details ...
PCML
Pattern and Component Markup Language, details ...
PCI
Peripheral Computer Interface / Payment Card Industry / Payment Card Industry Data Security Standard, details ...
PCI DSS
Payment Card Industry Data Security Standard, details ...
PCL
Printer Control Language, details ...
PDA
Personal Digital Assistant, details ...
PDC
Primary Domain Controller, details ...
PDF
Portable Document Format, details ...
PDM
Product Data Management., details ...
PDP
Personal Development Plan, details ...
PDQ
Pretty Darn Quick / Parallel Database Query, details ...
PDU
Power Distribution Unit, details ...
PDW
Package and Deployment Wizard, details ...
PE
Portable Executable, details ...
Percentile
Percentage with a lower score or rank / percentage with a lower or equal rank, details ...
Perl
Practical Extraction and Reporting Language, details ...
Pert
Program Evaluation Review Technique, details ...
Pert Chart
Chart used for project management, details ...
Petabyte
One million megabytes, details ...
PFI
Pay For Inclusion, details ...
PFM
Printer Font Metrics, details ...
PFW
Personal Firewall, details ...
PGA
Program Global Area, details ...
PHB
Dilbert's Pointy Haired Boss, details ...
Phishing
Attempt to steal someone's identity, details ...
Phonetics
The study of speech sounds, details ...
Photogrammetry
Measuring objects from photographs, details ...
PHP
A server side scripting language, details ...
Physical Address
MAC address, details ...
PI
Ratio of circumference to diameter of a circle / Primary In, details ...
PII
Personal Identifiable Information, details ...
Picnic
Problem In Chair Not In Computer, details ...
PID
Process ID, details ...
PIL
Python Imaging Library, details ...
PIN
Personal Identification Number / Performance Improvement Network / Prior Information Notice, details ...
Ping
Widely available network connectivity test utility / Time to get across a network, details ...
Pinging
To use ping / Data bouncing between servers, details ...
PIO
Programmed Input/Output, details ...
PIP
Packet Interception Point, details ...
PITA
Pain In the A***, details ...
PIX
Private Internet eXchange (firewall), details ...
PJL
Printer Job Language, details ...
PKCS
Public Key Cryptography Standard, details ...
PKI
Public Key Infrastructure, details ...
PLC
Programmable Logic Controller / Power Line Communications / Public Limited Company, details ...
Pling
Exclamation mark / Product of numbers, details ...
Plonk
Putting something down / Person with little or no knowledge / To kill-file, details ...
Pls
Please, details ...
Plug and Play
Automatic configuration of adapters, details ...
PL/SQL
Oracle's Procedural Language extension to SQL, details ...
PMR
Perpendicular Magnetic Recording, details ...
PMS
Performance Management System / Pantone Matching System, details ...
PNG
Portable Network Graphics, details ...
PnP
Plug and Play / Pen and Paper, details ...
POA
Price on application / Price over average, details ...
POI
Point of Interest / Point of Interface, details ...
Policy
An adopted plan or course of action / Rules controlling a system's behaviour / An insurance contract, details ...
Polyline
An unbroken line consisting of many points, details ......
Polygon
An area defined by sets of closed lines, details ...
PON Code
Position Oriented Navigation Code, details ...
PONC
PON Code / Price Of Non Conformance, details ...
POP
Post Office Protocol, details ...
POP3
POP version 3, details ...
POST
Power On Self Test / Act of sending a newsgroup message / To send a message, details...
POTS
Plain Old Telephone Service, details ...
POV
Point Of View / Privately Owned Vehicle, details ...
PPC
Pay per click, details ...
PPL
People / Pay per lead, details ...
PPM
Pence per minute / Pence per message, details ...
PPP
Point-to-Point Protocol, details ...
PPPoA
PPP over ATM, details ...
PPPoE
PPP over Ethernet, details ...
PPTP
Point To Point Tunneling Protocol, details ...
PPV
Pay per view, details ...
PR
Public Relations / Page Rank / Problem Report / Progress Report / Perpendicular Recording details ...
PRB
Problem / Probe, details ...
Preemptive Multitasking
Where an operating system controls when a process runs and for how long before another is run, details ...
Printer Pool
Print queue that feeds a collection of printers, details ...
Procedure
A method of doing something, details ...
PROM
Programmable Read Only Memory, details ...
Protocol
Agreed set of rules for the communication, details ...
Proxy
A system that acts on behalf of another to perform some service, details ...
PRS
Premium Rate Service, details ...
PSA
Public service agreement / Public service advert / Public service announcement / Psalms, details ...
PSN
Public Switched Network / Packet Switch Node, details ...
PSP
Paint Shop Pro / Professional Support Partnership, details ...
PSS
(Microsoft) Product Support Services / Book of Psalms, details ...
PST
Pacific Standard Time, details ...
PSTN
Public Switched Telephone Network, details ...
PSU
Power Supply Unit, details ...
Pull Down
To download / To remove / To demolish, details ...
PUP
Potentially Unwanted Program, details ...
PVC
Permanent Virtual Channel / Permanent Virtual Circuit / Permanent Virtual Connection, details ...
PVR
Personal Video Recorder, details ...
PWB
Printed Wiring Board, details ...
PWD
Password / Print Working Directory, details ...
PXE
Pre-boot Execution Environment, details ...
Pyramid Scheme
A form of scam where more people loose money than make money, details ...
Python
A web scripting language, details ...