PSC - Personal Super Computer

PSC - Print Server Command

PSC - Product Service Center

PSC - Problem Solving Context

PSCM - Problem Spare Computational Model

PSDN - Packet - Switched Data Network

PSDS - Packet - Switched Data Service

PSE - Page Size Extension

PSEE - Process - centred Software Engineering Environment

PSF - Permanent Swap File

PSID - Postscript Image Data

PSK - Phase - Shift Keying

PSL/PSA - Problem Statement Language / Problem Statement Analyzer

PSM - Problem Space - level Model

PSM - Printing Systems Manager

PSN - Packet Switch Node

PSN - Packet Switching Network

PSP - Personal Software Process

PSP - Personal Software Products

PSP - Program Segment Prefix

PSPDN - Public Switch Packet Data Network

PSRG - Privacy and Security Research Group

PSRT - Postscript Round Table

PSTN - Public Switched Telephone Network

PSU - Power Supply Unit