PFR - Power - Fail Restart

PFT - Processor Fault Tolerance

PFX - Personal Effects Exchange

PG - Projects Group

PGA - Professional Graphics Adapter

PGA - Pin Grid Array

PGA - Programmable Gate Array

PGC - Program Group Control

PGDN - Page Down

PGL - Professional Graphics Language

PGML - Precision Graphics Markup Language

PGO - Parameterized Geometric Object

PGP - Pretty Good Privacy

PGP - Program Parameter

PGUP - Page Up

PHF - Project History File

PHIGS - Programmer's Hierarchical Interactive Graphics Standard

PhM - Phenomenon Modeling

PHO - Phone list

PHRM - Project Human Resource Management

PHS - Personal Handphone System

PHY - Physical

PI - Parameter Identifier

PI - Process Interaction

PI - Program Interruption