PINE - Program for Internet News and E-mail

PING - Packet Internet Group

PIO - Parallel Input / Output

PIO - Programmed Input / Output

PIO - Processor Input / Output

PIP - Picture In Picture

PIP - Problem Isolation Procedure

PIP - Programmable Interconnect Point

PIP - Process Improvement Proposal

PIPLT - Partition Into Path of Length Two

PIPO - "Parallel In

PIPS - Permit Information Processing System

PIR - Protocol Independent Routing

PIR - Packet Insertion Rate

PIT - Programmable Interval Timer

PIU - Path Information Unit

PIXEL - Picture Element

PJ/NF - Projection - Join Normal Form

PKCS - Public Key Cryptography Standard

PKI - Public Key Infrastructure

PL - Physical Layer

PL - Pad Length

PL - Pearl Language

PL/1 - Programming Language One

PL/M - Programming Language for Microcomputers