P - Positive

P&IP - Piping and Instrumentation Diagram

P&P - Plug and Play

P-MAIL - Paper Mail

P-SRAM - Pseudo - Static Random Access Memory

P/FR - Problem / Failure Report

P/T - Part Time

PA - Perturbation Analysis

PA-RISC - Precision Architecture - RISC

PAB - Personal Address Book

PABX - Private Automatic Branch Exchange

PAC - Presentation Abstraction Control

PACE - Priority Access Control Enabled

PACIS - Pacific Asia Conference on Information Systems

PACS - Picture Archiving and Communication System

PACS-L - Public Access Computer Systems List

PAD - Packet Assembler Dissembler

PADS - Pen Application Development System

PAF - Page Address Field

PAF - Prearbitrated Function

PAIH - Public - Access Internet Host

PAIS - Public - Access Internet Site

PAL - Programming Assembly Language

PAL - Phase Alternation Line

PAL - Performing Arts Laboratory