PDM - Pulse Duration Modulation

PDM - Product Data Management

PDN - Public Data Network

PDO - Portable Distributed Objects

PDOD - Prototype Demonstrative Objective Document

PDP - Parallel Data Processing

PDP - Plasma Display Panel

PDP - Programmable Data Processor

PDPC - Process Decision Program Chart

PDR - Pagine Descriptor Register

PDS - Portable Document Software

PDS - Processor Direct Slot

PDS - Packet Driver Specification

PDS - Planetary Data System

PDS - Partitioned Data Set

PDSC - Post Script Document Structuring Convention

PDSS - Post Development and Software Support

PDT - Performance Diagnostic Tool

PDT - Programmable Drive Table

PDU - Plug Distribution Unit

PDU - Protocol Data Unit

PDX - Paradox

PDX - Printer Description Extension

PE - Processing Elements

PE - Persistency of Excitation