PSM - Personal Security Manager
PSM - Platform-Specific Model
PSM - Prioritized Service Management
PSML - Portal Structure Markup Language
PSN - Packet-Switched Network
PSN - Processor Serial Number
PSNP - Partial Sequence Number PDU
PSO - Protocol Supporting Organization
PSP - Python Server Pages
PSRAM - Pseudo Static Random Access Memory
PSS - Probabilistic Signature Scheme
PSS - Product Support Services
PSSC - Product and Solutions Support Center
PSSP - Parallel System Support Program
PSTC - Provisioning Services Technical Committee
PSTE - Parallel Sysplex Training Environment
PSTN - Public-Switched Telephone Network
PSU - Physical Storage Unit
PSU - Power Supply Unit
PSUCCESS - Philippine State Universities and Colleges Computer Education and Systems Society
PT - Payload Type
PTC - Protocol Test Card
PTD - Page Table Directory
PTD - Professional Technical Development
PTE - Page Table Entry
PTE - Path Terminating Equipment
PTF - Platform Task Force
PTF - Programming Temporary Fix
PTI - Payload Type Identifier
PTI - Persistent True Image
PTM - Pulse Template Matching
PTN - Private Telecommunication Network
PTP - Pass-Thru Port
PTR - Personal TV Receiver
PTR - PoinTer Reverse
PTSE - PNNI Topology State Element
PTT - Post, Telephone and Telegraph
PU - Physical Unit
PUP - PARC Universal Protocol
PV - Physical Volume
PVC - Permanent Virtual Circuit
PVC - Permanent Virtual Connection
PVCI - Peripheral Virtual Component Interface
PVFS - Parallel Virtual File System
PVL - Physical Volume Library
PVM - Parallel Virtual Machine
PVP - Permanent Virtual Path
PVP - Portable Video Player
PVPC - Permanent Virtual Path Connection
PVR - Personal Video Recorder
PVR - Physical Volume Repository
PVS - Personal Video Station
PVS - Potential Visibility Set
PWA - Pirates with Attitudes
PWA - Printed Wire Assembly
PWB - Printed Wire Board
PWD - Print Working Directory
PWE3 - Pseudo Wire Edge-to-Edge Emulation
PWG - Printer Working Group
PWIP - PathWorks Internet Protocol
PWLAN - Public Wireless Local Area Network
PWM - Pulse Width Modulation
PWP - Personal Web Pages
PWS - Personal Web Server
PWS - Pluggable WebServer
PXE - Preboot eXecution Environment