PO - Parity Odd

POC - Point of Contact

POD - Plain Old DOS

PODA - Priority Oriented Demand Assignment

POE - Power Open Environment

POH - Power - On Hours

POH - Path Overhead

POI - Path Overhead Identifier

POL - Procedure - Oriented Language

PON - Passive Optical Network

POP - Post Office Protocol

PoP - Point of Presence

POP3 - Post Office Protocol 3

POPA - POP All Registers

POPF - POP Flags

POR - Power - On - Reset

POS - Positive

POS - Point Of Sale

POS - Programmable Option Select

POs - Purchase Orders

POSE - Picture - Oriented Software Engineering

POSIT - Profiles for Open Systems Internetworking Technology

POSIX - Portable Operating Systems Interface for Unix

POSO - Persistent Object Store Organization

POST - Power On Self Test