POSTNET - Postal Numeric Encoding Technique

POTS - Plain Old Telephone Service

POU - Protocol Data Unit

POWER - Performance Optimization With Enhanced RISC

PP - Prototype Pathway

PP - Project Processes

PP - Parallel Port

PPA - Pixel Processing Accelerator

PPA - Partial Product Array

PPCP - Power PC Platform

PPD - Postscript Printer Description

PPDS - Personal Printer Data Stream

PPE - Project Plan Execution

PPE - Prototyping and Programming Environments

PPEL - Process - level Program Execution Long

PPGA - Plastic Pin Grid Array

PPI - Pixels Per Inch

PPI - Precise Pixel Interpolation

PPI - Programmable Peripheral Interface

PPL - Parallel Processing Letters

PPL - Projection Pursuit Learning

PPLN - Projection Pursuit Learning Network

PPM - Pages Per Minute

PPN - Policy Powered Network

PPNI - Private Network Node Interface