PoD - Performance on Demand
POE - Perl Object Environment
POE - Power Over Ethernet
POE - Printing Orgainic Electronic
POET - Packet Over E3/T3
POH - Power On Hours
POIFS - POI File System
POIX - Point Of Interest eXchange
POL - Path Overhead Layer
POL - Provisioning Object Library
POM - Provisioning Object Manager
POOM - Pocket Outlook® Object Model
POP - Picture-On-Picture
POP - Point Of Presence
POP - Post Office Protocol
POPL - Principles Of Programming Languages
POR - Power-On Reset
POS - Packet Over SONET
POS - Persistent Object Service
POS - Pivoting Optical Servo
POS - Power On Suspend
POSE - Palm OS® Emulator
POSI - Promoting conference for Open Systems Interconnection
POSIX - Portable Operating System for UNIX
POST - Power-On Self Test
POTS - Plain Old Telephone Service
POTS - Point Of Termination Station
PoV - Persistence of Vision
PP - Personal Profile
PP - Physical Partition
PP - Pixel Pipeline
PP - Point-to-Point
PPC - Pay-Per-Click
PPD - Parallel Presence Detect
PPDU - Presentation Protocol Data Unit
PPE - Post PC Era
PPFS - Portable Parallel File System
PPGA - Plastic Pin Grid Array
PPI - Pixels-Per-Inch
PPI - Program-to-Program Interface
PPL - Pay Per Lead
PPM - Page(s) Per Minute
ppm - parts per million
PPM - Perl Package Manager
PPM - Portable PixMap
PPM - Pulse Per Minute
PPML - Personalized Print Markup Language
PPNI - Private Network-to-Network Interface
PPO - Portal Provider Offering
PPP - Point-to-Point Protocol
PPPOE - Point-to-Point Protocol Over Ethernet
PPR - Preliminary Performance Review
PPR - Profile Performance Rate
PPRC - Peer-to-Peer Remote Copy
PPS - Pay Per Sale
PPS - Proprietary Print Stream
PPS - Pulse Per Second
PPSN - Public Packet-Switched Network
PPT - Program Processing Table
PPTP - Point-to-Point Tunneling Protocol
PQ - Priority Queuing
PQA - Palm Query Application
PQFP - Plastic Quad Flat Pack
PR - Protection Register
PRAM - Parameter Random Access Memory
PRBS - Pseudo Random Binary Sequence
PREMO - PResentation Environment of Multimedia Objects
PREVAIL - Projection Reduction Exposure with Variable Axis Immersion Lenses
PRI - Primary Rate Interface
PRISM - Parallel Reduced Instruction Set Multiprocessing
PRM - Partner Relationship Management
PRM - Process Resource Manager
PRMD - PRivate Management Domain
PRML - Partial Response, Maximum Likehood
PROFS - PRofessional OFfice System
PROLOG - PROgramming in LOGic
PROM - Programmable Read-Only Memory
PRP - Peer Resolver Protocol
PRS - Primary Reference Source
PS - Past Source
PS - PlayStation
PS - PostScript
PSAP - Presentation Service Access Point
PSB - Processor Support Bus
PSB - Program Specification Block
PSC - Pittsburgh Supercomputing Center
PSD - Power Spectral Density
PSD - Programmer's Supplementary Documents
PSDN - Packet-Switched Data Network
PSE - Packet Switch eXchange
PSE - Page Size Extension
PSF - Print Services Facility
PSG - Personal Systems Group
PSI - Payload Structure Identifier
PSI - Portable Site Information
PSIG - Platform Special Interest Group
PSIRT - Product Security Incident Response Team
PSL - Process Specification Language
PSL - Protected Server Library
PSM - Persistent Storage Manager