PE - Parity Even

PE - Protect Enable

PEA - Pocket Ethernet Adapter

PEC - Physical Environment Classification

PEEL - Programmable Electrically Erasable Logic

PEEM - Privacy Enhanced Electronic Mail

PEF - Push Extended Flags

PEL - Picture Element

PEM - Private Enhanced Mail

PEN SDK - Pen Computing Software Development Kit

PEP - Packet Exchange Protocol

PER - Packet Error Rate

PERC - Practical Engineering Research Concepts

PERL - Practical Extraction and Report Language

PERT - Program Evaluation and Review Technique

PES - Physical Environment Specification

PES - Positioning Error Signal

PES - Processor Enhancement Socket

PET - Pure Execution Time

PET - Print Enhancement Technology

PF - Parity Flag

PFB - Printer Font Binary

PFD - Product Flow Diagram

PFE - Programmer's File Editor

PFM - Printer Font Metrics