| | PACS | Picture Archiving and Communication System | |
| | |
| | PACS-L | Public Access Computer Systems List | |
| | |
| | PAD | Packet Assembler/Disassembler | |
| | |
| | PADS | Pen Application Development System | |
| | |
| | PAF | Postal Address File | |
| | |
| | PAIH | Public-Access Internet Host | |
| | |
| | PAIS | Public-Access Internet Site | |
| | |
| | PAK | PAcKed | |
| | |
| | PAL | Privileged Architecture Library | |
| | |
| | PAL | Programmable Assembly Language | |
| | |
| | PAL | Programmable Array Logic | |
| | |
| | PAL | Paradox Application Language | |
| | |
| | PAL | Phase Alternate Line | |
| | |
| | PAL | PALette | |
| | |
| | PAL-SLM | Parallel-Aligned Liquid crystal Spa tial Light Modulator | |
| | |
| | PALC | Plasma-Addressed Liquid Crystal | |
| | |
| | PALS | Principles of the Alphabet Literacy System | |
| | |
| | PAM | Primary Access Method | |
| | |
| | PAM | Programmable Attribute Map | |
| | |
| | PAM | Paging Area Memory | |
| | |
| | PAM | Pulse-Amplitude Modulation | |
| | |
| | PAM | Plug-in Authentication Module | |
| | |
| | PAN | Personal Account Number | |
| | |
| | PAN | Personal Area Network | |
| | |
| | PAP | Password Authentication Protocol | |
| | |
| | PAP | Printer Access Protocol | |
| | |
| | PAP | PAcket-level Procedure | |
| | |
| | PAR | Parallel | |
| | |
| | PAR | Project Authorization Request | |
| | |
| | PAR | Personal Animation Recorder | |
| | |
| | PARC | Palo Alto Research Center | |
| | |
| | PAS | Publicly Available Specification | |
| | |
| | PAS | PAScal | |
| | |
| | PAS/2 | Personal Application System/2 | |
| | |
| | PAT | Port Address Translator | |
| | |
| | PAT | PATtern | |
| | |
| | PATN | Port Access Telephone Number | |
| | |
| | PAV | Parallel Access Volumes | |
| | |
| | PAX | Portable Archive eXchange | |
| | |
| | PB | Pipeline Burst | |
| | |
| | PBA | Printed Board Assembly | |
| | |
| | PBD | PowerBuilder Dynamic library | |
| | |
| | PBE | Prompt By Example | |
| | |
| | PBGA | Plastic Ball Grid Array | |
| | |
| | PBI | Phone Based Interface | |
| | |
| | PBM | Play By Mail | |
| | |
| | PBOT | Physical Beginning of Tape | |
| | |
| | PBX | Private Branch eXchange | |
| | |
| | PC | Program Counter | |
| | |
| | PC | Personal Computer | |
| | |
| | PC | Printed Circuit | |
| | |
| | PC-DOS | Personal Computer Disk Operating System | |
| | |
| | PC-I/O | Program Controlled Input/Output | |
| | |
| | PC/IXF | Personal Computer Intergrated eXchange Format | |
| | |
| | PC/TCP | Personal Computer/Transmission Control Protocol | |
| | |
| | PCA | Power Calibration Area | |
| | |
| | PCA | Payment gateway Certification Authority | |
| | |
| | PCACIAS | Personal Computer Automated Calibration Interval Analysis System | |
| | |
| | PCAV | Partial Constant Angular Velocity | |
| | |
| | PCB | Printed Circuit Board | |
| | |
| | PCB | Program Control Block | |
| | |
| | PCBC | Plain Cipher Block Chaining | |
| | |
| | PCBO | Personal Computer Branch Office | |
| | |
| | PCD | Photo Compact Disc | |
| | |
| | PCDA | Program Controlled Data Acquisition | |
| | |
| | PCEB | PCi to Eisa Bridge | |
| | |
| | PCFS | Personal Computer FIle System | |
| | |
| | PCI | Protocol Control Information | |
| | |
| | PCI | Peripheral Component Interconnect | |
| | |
| | PCIC | Pc-Card Interrupt Controller | |
| | |
| | PCL | Portable Common Loops | |
| | |
| | PCL | Programmable Command Language | |
| | |
| | PCL | Process Control Language | |
| | |
| | PCL | Printer Control Language | |
| | |
| | PCM | Physical Connection Management | |
| | |
| | PCM | Printer Cartridge Metric | |
| | |
| | PCM | Pulse Code Modulation | |
| | |
| | PCM | Personal Computer Manufacturer | |
| | |
| | PCMA | Paired Carrier Multiple Access | |
| | |
| | PCMC | Pci, Cache and Memory Controller | |
| | |
| | PCMCIA | Personal Computer Memory Card International Association | |
| | |
| | PCMIM | Personal Computer Media Interface Module | |
| | |
| | PCMS | Project and Configuration Management System | |
| | |
| | PCN | Public Communications Network | |
| | |
| | PCN | Personal Computer Network | |
| | |
| | PCNFS | Personal Computer Network File System | |
| | |
| | PCO | Point of Control and Observation | |
| | |
| | PCR | Processor Configuration Register | |
| | |
| | PCR | Packet Cell Rate | |
| | |
| | PCS | Personal Computing System | |
| | |
| | PCS | Personal Communication Service | |
| | |
| | PCS | Personal Conferencing Specification | |
| | |
| | PCS | Project Control System | |
| | |
| | PCS | Program Counter Store | |
| | |
| | PCS | Process Control Systems | |
| | |
| | PCS | Patchable Control Store | |
| | |
| | PCS | Planning Control Sheet | |
| | |
| | PCS | Print Contrast Signal | |
| | |
| | PCSA | Personal Computing Systems Architecture | |
| | |
| | PCT | Private Communication Technology | |
| | |
| | PCT | PiCTure | |
| | |
| | PCTE | Portable Common Tool Environment | |
| | |
| | PCX | PiCture eXchange | |
| | |
| | PD | Phase change Dual | |
| | |
| | PD | Personal Display | |
| | |
| | PD | Public Domain | |
| | |
| | PDA | Personal Digital Assistant | |
| | |
| | PDB | Pilot Database | |
| | |
| | PDC | Primary Domain Controller | |
| | |
| | PDC | Professional Developer Conference | |
| | |
| | PDC | Personal Digital Cellular | |
| | |
| | PDD | Physical Device Driver | |
| | |
| | PDD | Portable Digital Document | |
| | |
| | PDES | Product Data Exchange Specification | |
| | |
| | PDF | Portable Document Format | |
| | |
| | PDF | Printer Description File | |
| | |
| | PDF | Program Development Facility | |
| | |
| | PDF | Package Definition File | |
| | |
| | PDF | Processor Defined Function | |
| | |
| | PDH | Plesiosynchronous Digital Hierarchy | |
| | |
| | PDI | Power and Data Interface | |
| | |
| | PDIAL | Public Dialup Internet Access List | |
| | |
| | PDK | Product Development Kit | |
| | |
| | PDL | Program Design Language | |
| | |
| | PDL | Page Description Language | |
| | |
| | PDL | Program Description Language | |
| | |
| | PDM | Program Development Manager | |
| | |
| | PDM | Product Data Management | |
| | |
| | PDN | Public Data Network | |
| | |
| | PDO | Portable Distributed Objects | |
| | |
| | PDP | Plasma Display Panel | |
| | |
| | PDP | Parallel Data Processing | |
| | |
| | PDP | Programmable Data Processor | |
| | |
| | PDP | Policy Decision Point | |
| | |
| | PDP | Primary Dos Partition | |
| | |
| | PDQ | Parallel Data Queries | |
| | |
| | PDQ | Pretty Darn Quick | |
| | |
| | PDS | Partitioned Data Set | |
| | |
| | PDS | Processor Direct Slot | |
| | |
| | PDS | Professional Developer's Summit | |
| | |
| | PDS | Planetary Data System | |
| | |
| | PDS | Packet Driver Specification | |
| | |
| | PDS | Portable Document Software | |
| | |
| | PDSP | Peripheral Data Storage Processor | |
| | |
| | PDSS | Post Development and Software Support | |
| | |
| | PDT | Performance Diagnostic Tool | |
| | |
| | PDT | Pacific Daylight Time | |
| | |
| | PDT | Programmable Drive Table | |
| | |
| | PDT | Programmable Drive Table | |
| | |
| | PDU | Protocol Data Unit | |
| | |
| | PDU | Plug Distribution Unit | |
| | |
| | PDW | Package and Deployment Wizard | |
| | |
| | PDX | ParaDoX | |
| | |
| | PDX | Phone Data eXchange | |
| | |
| | PDX | Printer Description eXtension | |
| | |
| | PE | Phase Encoding | |
| | |
| | PE | Parity Error | |
| | |
| | PE | Processing Element | |
| | |
| | PE | Portable Executable | |
| | |
| | PE | Protect Enable | |
| | |
| | PE | Parity Even | |
| | |
| | PEA | Pocket Ethernet Adapter | |
| | |
| | PEARL | Process and Experiment Automation Realtime Language | |
| | |
| | PEC | Program Execution Control | |
| | |
| | PEEK | Partners Early Experience Kit | |
| | |
| | PEEL | Programmable Electrically Erasable Logic | |
| | |
| | PEL | Picture ELement | |
| | |
| | PEM | Privacy Enhanced Mail | |
| | |
| | PEM | Port Expander Module | |
| | |
| | PEOT | Physical End Of Tape | |
| | |
| | PEP | Point-Edge-Polygon | |
| | |
| | PEP | Policy Enforcement Point | |
| | |
| | PEP | Packetized Ensemble Protocol | |
| | |
| | PEP | Packet Exchange Protocol | |
| | |
| | PERC | PowerEdge Raid Controller | |
| | |
| | PERC | Portable Environment for Real-time Control | |
| | |
| | PERL | Practical Extraction Report Language | |
| | |
| | PERM | Pre-Embossed Rigid Magnetic | |
| | |
| | PEROM | Programmable Erasable Read Only Memory | |
| | |
| | PERT | Program Evaluation and Review Technique | |
| | |
| | PES | Proposed Encryption Standard | |
| | |
| | PES | Packetized Elementary Stream | |
| | |
| | PES | Positioning Error Signal | |
| | |
| | PES | Processor Enhancement Socket | |
| | |
| | PET | Progressive Educational Technology | |
| | |
| | PET | Print Enhancement Technology | |
| | |
| | PET | Personal Electronic Transactor | |
| | |
| | PEX | Phigs Extension to X | |
| | |
| | PFA | Predictive Failure Analysis | |
| | |
| | PFB | Printer Font Binary | |
| | |
| | PFE | Programmer's File Editor | |
| | |
| | PFM | Printer Font Metrics | |
| | |
| | PFN | Page Frame Number | |
| | |
| | PFPU | Processor Frame Power Unit | |
| | |
| | PFR | Power Fail Restart | |
| | |
| | PFS | Parallel File System | |
| | |
| | PFX | Personal inFormation eXchange | |
| | |
| | PGA | Programmable Gate Array | |
| | |
| | PGA | Pin Grid Array | |
| | |
| | PGA | Professional Graphics Adapter | |
| | |
| | PGC | Program Group Control | |
| | |
| | PGD | Planar Gas Discharge | |
| | |
| | PGDN | PaGe DowN | |
| | |
| | PGL | Professional Graphics Language | |
| | |
| | PGM | ProGraM | |
| | |
| | PGML | Precision Graphics Markup Language | |
| | |
| | PGP | Pretty Good Privacy | |
| | |
| | PGP | ProGram Parameter | |
| | |
| | PGUP | PaGe UP | |
| | |
| | PHB | Per-Hop-Behavior | |
| | |
| | PHIGS | Programmer's Hierarchical Interactive Graphics Standard | |
| | |
| | PHIGS PLUS | Programmer's Hierarchical Interactive Graphics Standard Plus Lumiere Und | |
| | |
| | | Surfaces | |
| | |
| | PHS | Personal Handphone System | |
| | |
| | PHY | PHisical laYer | |
| | |
| | PI | Program Interruption | |
| | |
| | PIA | Peripheral Interface Adapter | |
| | |
| | PIC | Point In Call | |
| | |
| | PIC | Programmable Interrupt Controller | |
| | |
| | PIC | Priority Interrupt Controller | |
| | |
| | PIC | Personal Information Carrier | |
| | |
| | PIC | Personal Intelligent Communicator | |
| | |
| | PICS | Protocol Implementation Conformance Statement | |
| | |
| | PICS | Plug-in Inventory Control System | |
| | |
| | PICS | Platform for Internet Content Selection | |
| | |
| | PICS/DCPR | Protocol Implementation Conformance Statement/Detailed Continuing | |
| | |
| | | Property Record | |
| | |
| | PICT | PICTure | |
| | |
| | PID | Proportional, Integral, Derivative | |
| | |
| | PID | Product IDentifier | |
| | |
| | PID | Personal IDentifier | |
| | |
| | PID | Process IDentifier | |
| | |
| | PIER | Procedures for Internet/Enterprise Renumbering | |
| | |
| | PIF | Program Information File | |
| | |
| | PIF | Picture Interchange Format | |
| | |
| | PII | Pentium 2 | |
| | |
| | PII | Program Integrated Information | |
| | |
| | PIII | Pentium 3 | |
| | |
| | PIIX | Pci Ide/Isa Accelerator | |
| | |
| | PILOT | Programmed Inquiry Learning Or Teaching | |
| | |
| | PIM | Protocol Independent Multicast | |
| | |
| | PIM | Personal Information Manager | |
| | |
| | PIM | Primary Interface Module | |
| | |
| | PIN | Processor Independent Netware | |
| | |
| | PIN | Process Identification Number | |
| | |
| | PIN | Personal Identification Number | |
| | |
| | PIN | Positive Intrinsic Negative | |
| | |
| | PINE | Pine Is Not Elm | |
| | |
| | PING | Packet INternet Groper | |
| | |
| | PIO | Programmable Input/Output | |
| | |
| | PIO | Processor Input/Output | |
| | |
| | PIO | Parallel Input/Output | |
| | |
| | PIP | Packet Interface Port | |
| | |
| | PIP | Periphal Interchange Program | |
| | |
| | PIP | Personal Information Processor | |
| | |
| | PIP | Picture In Picture | |
| | |
| | PIP | Programmable Interconnect Point | |
| | |
| | PIP | Problem Isolation Procedure | |
| | |
| | PIP | Pattern and Information Processing | |
| | |
| | PIPO | Parallel In, Parallel Out | |
| | |
| | PIR | Protocol Independent Routing | |
| | |
| | PIT | Programmable Interval Timer | |
| | |
| | PIU | Path Information Unit | |
| | |
| | PJL | Printer Job Language | |
| | |
| | PJPEG | Progressive Joint Photographic Experts Group | |
| | |
| | PK | Primary Key | |
| | |
| | PKC | Public Key Cryptography | |
| | |
| | PKCS | Public Key Cryptography Standard | |
| | |
| | PKE | Private Key Encryption | |
| | |
| | PKI | Public Key Infrastructure | |
| | |
| | PL | Perl Language | |
| | |
| | PL-LCD | PhotoLuminescent Liquid Crystal Display | |
| | |
| | PL-OU | Physical Layer Overhead Unit | |
| | |
| | PL/1 | Programming Language/1 | |
| | |
| | PL/IP | Parallel Line Internet Protocol | |
| | |
| | PL/M | Programming Language for Microcomputers | |
| | |
| | PL/SQL | Procedural Language/Structured Query Language | |
| | |
| | PLA | Programmable Logic Array | |
| | |
| | PLATO | Programmed Logic for Automatic Teaching Operations | |
| | |
| | PLB | Picture Level Benchmark | |
| | |
| | PLBSI | Picture Level Benchmark Sample Implementation | |
| | |
| | PLC | Programmable Logic Controller | |
| | |
| | PLCC | Plastic Leadless Chip Carrier | |
| | |
| | PLCP | Physical Layer Convergence Procedure | |
| | |
| | PLD | Programmable Logic Device | |
| | |
| | PLDI | Programming Language Design and Implementation | |
| | |
| | PLDS | Pilot Land Data System | |
| | |
| | PLE | Programmable Logic Element | |
| | |
| | PLIP | Parallel Line Internet Protocol | |
| | |
| | PLL | Phase-Locked Loop | |
| | |
| | PLL | PreLinked Library | |
| | |
| | PLMN | Public Land Mobile Network | |
| | |
| | PLO | Phase Locked Oscillator | |
| | |
| | PLS | PhysicaL Signaling | |
| | |
| | PLS | Primary Link Station | |
| | |
| | PLU | Primary Logical Unit | |
| | |
| | PLV | Production Level Video | |
| | |
| | PM | Peripheral Module | |
| | |
| | PM | Phase Modulation | |
| | |
| | PM | Programming Model | |
| | |
| | PM | Presentation Manager | |
| | |
| | PM | Power Management | |
| | |
| | PM | Preventative Maintenance | |
| | |
| | PM | Process Manager | |
| | |
| | PM/X | Presentation Manager for X | |
| | |
| | PMA | Program Memory Area | |
| | |
| | PMA | Physical Medium Attachment | |
| | |
| | PMA | Photo Marketing Association | |
| | |
| | PMAC | Peripheral Module Access Controller | |
| | |
| | PMD | Physical layer, Medium Dependent | |
| | |
| | PMD | Packet Mode Data | |
| | |
| | PMI | Protected Mode Interface | |
| | |
| | PMMU | Paged Memory Management Unit | |
| | |
| | PMOS | Positive Channel Metal Oxide Semiconductor | |
| | |
| | PMP | Point to MultiPoint | |
| | |
| | PMP | Preventive Maintenance Package | |
| | |
| | PMP | Portable Music Player | |
| | |
| | PMR | Problem Management Report | |
| | |
| | PMS | Policy Management System | |
| | |
| | PMT | PhotoMultiuplier Tube | |
| | |
| | PMU | PowerMeter Unit | |
| | |
| | PN | Processing Node | |
| | |
| | PNA | Phoneline Networking Alliance | |
| | |
| | PNA | Programmable Network Access | |
| | |
| | PnD | Plug aNd Display | |
| | |
| | PNG | Portable Network Graphics | |
| | |
| | PNNI | Public Network Node Interface | |
| | |
| | PNNI | Private Network to Network Interface | |
| | |
| | PnP | Plug aNd Play | |
| | |
| | PNS | PeaceNet Sweden | |
| | |
| | PNW | Personal NetWare | |
| | |
| | PO | Parity Odd | |
| | |
| | POA | PostOfiice Agent | |
| | |
| | POC | Point Of Contact | |
| | |
| | POD | Proof of Deposit | |
| | |
| | POD | Power On Display | |
| | |
| | POD | Publishing On Demand | |
| | |
| | POD | Plain Old Dos | |
| | |
| | POE | Power Open Environment | |
| | |
| | POEP | Primary Operand Execution Pipeline | |
| | |
| | POF | Plastic Optic Fiber | |
| | |
| | POH | Path OverHead | |
| | |
| | POH | Power-On Hours | |
| | |
| | POI | Path Overhead Indicator | |
| | |
| | POI | Point Of Interaction | |
| | |
| | POI | Point Of Information | |
| | |
| | POI | Point Of Interest | |
| | |
| | POL | Problem Oriented Language | |
| | |
| | POOL | Parallel Object Oriented Language | |
| | |
| | POP | Package for Online Programming | |
| | |
| | POP | Post Office Protocol | |
| | |
| | POP | Point Of Presence | |
| | |
| | POP3 | PostOffice Protocol 3 | |
| | |
| | POPA | POP All registers | |
| | |
| | POPF | POP Flags | |
| | |
| | POPL | Principles of Programming Languages | |
| | |
| | POR | Point Of Return | |
| | |
| | POR | Plan Of Record | |
| | |
| | POR | Power-On-Reset | |
| | |
| | POS | POSitive | |
| | |
| | POS | Point Of Sale | |
| | |
| | POS | Programmable Option Select | |
| | |
| | POS | Packet Over Sonet | |
| | |
| | POS | Persistent Object Server | |
| | |
| | POS | Parent Over Shoulder | |
| | |
| | POSE | Picture-Oriented Software Engineering | |
| | |
| | POSI | Promoting conference for Open System Interconnect | |
| | |
| | POSIX | Portable Operating System for unIX | |
| | |
| | POST | Power On Self Test | |
| | |
| | POSTNET | POSTal Numeric Encoding Technique | |
| | |
| | POSYBL | PrOgramming SYstem for distriButed appLications | |
| | |
| | POTS | Plain Old Telephone Service | |
| | |
| | POTS | Plain Old Time Sharing | |
| | |
| | POV | Point Of View | |
| | |
| | POWER | Performance Optimization With Enhanced Risc | |
| | |
| | PowerPC | Performance Optimization With Enhanced Risc Performance Computing | |
| | |
| | PP | Physical Plane | |
| | |
| | PP | Physical Partition | |
| | |
| | PP | Parallel Port | |
| | |
| | PPA | Pixel Processing Accelerator | |
| | |
| | PPC | PowerPC | |
| | |
| | PPC | Program to Program Communication | |
| | |
| | PPD | PostScript Printer Description | |
| | |
| | PPDS | Personal Printer Data Stream | |
| | |
| | PPGA | Plastic Pin Grid Array | |
| | |
| | PPI | Programmable Peripheral Interface | |
| | |
| | PPI | Precise Pixel Interpolation | |
| | |
| | ppi | Pixels Per Inch | |
| | |
| | PPID | Parent Process IDentifier | |
| | |
| | PPL | Pcboard Programming Language | |
| | |
| | PPL | Polymorphic Programming Language | |
| | |
| | PPM | Pulse Position Modulation | |
| | |
| | PPM | Pages Per Minute | |
| | |
| | PPN | Project Programmer Number | |
| | |
| | PPP | Point to Point Protocol | |
| | |
| | PPPoE | Point to Point Protocol Over Ethernet | |
| | |
| | PPPoI | Point to Point Protocol Over Isdn | |
| | |
| | PPS | Public Packet Switching | |
| | |
| | PPS | Power Personal Systems | |
| | |
| | PPS | Packets Per Second | |
| | |
| | PPT | PowerPoinT | |
| | |
| | PPTP | Point to Point Tunneling Protocol | |
| | |
| | PQ | PowerQuest | |
| | |
| | PQFP | Plastic Quad Flat Package | |
| | |
| | PR | Packet Radio | |
| | |
| | PR | Public Relations | |
| | |
| | PR | Performance Rating | |
| | |
| | PRACSA | Public Remote Access Computer Standards Association | |
| | |
| | PRAM | Parallel Random-Access Machine | |
| | |
| | PRAM | Parameter Random Access Memory | |
| | |
| | PRC | Pilot Resource | |
| | |
| | PRD | PRinter Driver | |
| | |
| | PReP | Powerpc REference Platform | |
| | |
| | PREPNet | Pennsylvania Research and Economic Partnership NETwork | |
| | |
| | PRF | Problem Report Form | |
| | |
| | PRF | PReFerences | |
| | |
| | PRF | Pulse Repetition Frequency | |
| | |
| | PRI | Primary Rate Interface | |
| | |
| | PRIDE | PRofitable Information by DEsign | |
| | |
| | PRISM | Parallel Reduced Instruction Set Multiprocessing | |
| | |
| | PRISM | PhotoRefractive Information Storage Materials | |
| | |
| | PRJ | PRoJect | |
| | |
| | PRMD | PRivate Management Domain | |
| | |
| | PRML | Partial-Response Maximum-Likelihood | |
| | |
| | PRN | Printer | |
| | |
| | PRNG | Pseudo-Random Number Generator | |
| | |
| | PRO | PROfile | |
| | |
| | PROC | PROCedure | |
| | |
| | PROCFS | PROCess FIle System | |
| | |
| | PROFS | PRofessional OFfice System | |
| | |
| | PROG | PROGram | |
| | |
| | PROGID | PROGrammatic IDentifier | |
| | |
| | PROLOG | PROgramming in LOGic | |
| | |
| | PROM | Programmable Read Only Memory | |
| | |
| | PROMATS | PROgrammable MAgnetic Tape System | |
| | |
| | PROTEL | Procedure Oriented Type Enforcing Language | |
| | |
| | PRTSC | PRinT SCreen | |
| | |
| | PS | Privilege Service | |
| | |
| | PS | PostScript | |
| | |
| | PS | Personal Services | |
| | |
| | PS | Presentation Services | |
| | |
| | PS | Power Supply | |
| | |
| | PS | Proportional Spacing | |
| | |
| | PS/2 | Personal System 2 | |
| | |
| | PSAPI | Presentation Space Application Programming Interface | |
| | |
| | PSC | Print Server Command | |
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| | PSC | Product Service Center | |
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| | PSC | Personal Super Computer | |
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| | PSC | Primary Site Controller | |
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| | PSCNet | Pittsburgh Supercomputing Center NETwork | |
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| | PSD | Programmer's Supplementary Documents | |
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| | PSD | Postal Security Device | |
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| | PSDC | Public Switched Digital Capability | |
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| | PSDN | Packet-Switched Data Network | |
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| | PSDS | Packet-Switched Data Service | |
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| | PSE | Packet Switch Exchange | |
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| | PSE | Port Switched Ethernet | |
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| | PSE | Persistent Storage Engine | |
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| | PSF | Print Services Facility | |
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| | PSF | Permanent Swap File | |
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| | PSID | PostScript Image Data | |
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| | PSIU | Packet Switch Interface Unit | |
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| | PSK | Phase-Shift Keying | |
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| | PSL | Problem Statement Language | |
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| | PSL | Public Software Library | |
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| | PSM | Personal Software Marketing | |
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| | PSM | Persistent Storage Module | |
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| | PSM | Printing Systems Manager | |
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| | PSN | Processor Serial Number | |
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| | PSN | Packet Switching Network | |
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| | PSP | Personal Software Product | |
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| | PSP | Program Segment Prefix | |
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| | PSPDN | Packet-Switched Public Data Network | |
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| | PSR | PowerSoft Report | |
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| | PSRAM | PseudoStatic Random Access Memory | |
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| | PSRG | Privacy and Security Research Group | |
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| | PSRT | PostScript Round Table | |
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| | PSS | Packet Switch Services | |
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| | PSS | Product Support Service | |
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| | PST | Pacific Standard Time | |
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| | PST | Pakistan Standard Time | |
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| | PSTN | Public Switched Telephone Network | |
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| | PSU | Program Storage Unit | |
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| | PSU | Power Supply Unit | |
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| | PSW | Program Status Word | |
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| | PT | Payload Type | |
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| | PT | Page Table | |
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| | PTD | Parallel Transfer Disk | |
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| | PTE | Path Terminating Equipment | |
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| | PTE | Page Table Entry | |
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| | PTF | Problem Temporary Fix | |
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| | PTF | Print To Fax | |
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| | PTI | Packet Type Identifier | |
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| | PTML | Proxicom Template Markup Language | |
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| | PTOCA | Presentation Text Object Content Architecture | |
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| | PTR | Point-in-Time Repair | |
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| | PTT | Postal Telegraph and Telephone | |
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| | PTW | Primary Translation Word | |
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| | PTY | Pseudo-Terminal driver | |
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| | PU | Physical Unit | |
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| | PUB | PUBlic | |
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| | PUC | Peripheral Unit Controller | |
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| | PUC | Public Utilities Commission | |
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| | PUCP | Physical Unit Control Point | |
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| | PUN | Physical Unit Number | |
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| | PUP | Parc Universal Packet | |
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| | PURL | Persistent Uniform Resource Locator | |
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| | PUS | Processor Upgrade Socket | |
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| | PUSHA | PUSH All registers | |
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| | PUSHF | PUSH Flags | |
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| | PV | Physical Volume | |
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| | PVC | Permanent Virtual Circuit | |
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| | PVC | PolyVinyl Chloride | |
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| | PVM | Perc Virtual Machine | |
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| | PVM | Pass-through Virtual Machine | |
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| | PVM | Parallel Virtual Machine | |
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| | PVP | Packet Video Protocol | |
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| | PVP | Parallel Vector Processing | |
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| | PVS | Parallel Visualization Server | |
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| | PW | PassWord | |
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| | PWB | Programmer's WorkBench | |
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| | PWB | Printed Wire Board | |
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| | PWD | Print Working Directory | |
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| | PWM | Pulse-Width Modulation | |
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| | PWP | Personal Web Pages | |
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| | PWPN | PowWow for Private Networks | |
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| | PWR | PoWeR | |
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| | PWS | Programmable WorkStation | |
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| | PWS | Personal Web Server | |
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| | PWS | Peer Web Services | |
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| | PWSCS | Programmable WorkStation Communication Services | |
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| | PX | Primary indeX | |
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| | PXE | Preboot eXecution Environment | |
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| | Q&A | Questions & Answers | |
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| | QA | Quality Assurance | |
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| | QAM | Quadrature Amplitude Modulation | |
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| | QAS | Quasi-Associated Signaling | |
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| | QBE | Query By Example | |
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| | QBF | Query by Form | |
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| | QBIC | Query By Image Content | |
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| | QC | Quantum Coprocessor | |
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| | QC | Quality Control | |
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| | QCDP | Quality Color Dithering Modus | |
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| | QCIF | Quarter Common source mIntermediate Format | |
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| | QD | Querty/Dvorak | |
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| | QDA | Qualitative Data Analysis | |
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| | QDI | Quicken DIctionary | |
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| | QDL | Quadri Data Layer | |
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| | QDOS | Quick and Dirty Operating System | |
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| | QDT | Quicken DaTa | |
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| | QEA | Queued Event Architecture | |
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| | QEMM | Quarterdeck Expanded Memory Manager | |
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| | QFA | Quick File Access | |
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| | QFE | Quick Fix Engineering | |
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| | QFP | Quicken Financial Planner | |
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| | QFP | Quad Flat Pack | |
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| | QIC | Quality Information using Cycle time | |
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| | QIC | Quarter-Inch Cartridge | |
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| | QIF | Quicken Interchange Format | |
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| | QKD | Quantum Key Distribution | |
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| | QLI | Query Language Interpreter | |
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| | QLLC | Qualified Logical Link Control | |
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| | QMF | Query Management Facility | |
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| | QMT | Quicken Memorized lisT | |
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| | QNX | Quicken iNdeXes | |
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| | QoS | Quality Of Service | |
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| | QoSR | Qualiy Of Service Raouting | |
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| | QPA | Quad Port Acceleration | |
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| | QPG | Quantum Phase Gate | |
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| | QPL | Qualified Product List | |
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| | QPSK | Quadrature Phase-Shift Keying | |
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| | QSAM | Queued Sequential Access Method | |
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| | QT | QuickTime | |
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| | QTAM | Queued Teleprocessing Access Method | |
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| | QTC | QuickTime Conferencing | |
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| | QTD | Quarter To Date | |
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| | QUARC | QUarterdeck's Antivirus Research Center | |
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| | QUEL | QUEry Language | |
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| | QXGA | Quad eXtended Graphics Array | |
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| | R&D | Research & Development | |
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| | R/O | Read Only | |
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| | R/T | Receive/Transmit | |
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| | R/W | Read/Write | |
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| | RA | Return Authorization | |
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| | RA | Real Audio | |
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| | RAB | Raid Advisory Board | |
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| | RACF | Resource Access Control Facility | |
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| | RACMan | Remote Automation Connection MANager | |
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| | RAD | Rapid Access Disk | |
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| | RAD | Rapid Application Development | |
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| | RADAR | RAdio Detection And Ranging | |
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| | RADAR | Rights, Availabilities, Distribution Analysis and Reporting | |
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| | RADB | Routing Arbiter Data Base | |
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| | RADIUS | Remote Authentication Dial-In User Service | |
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| | RADSL | Rate Adaptive Digital Subscriber Line | |
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| | RAG | Row Address Generator | |
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| | RAID | Redundant Array of Inexpensive Disks | |
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| | RAIS | Redundant Arrays of Inexpensive Systems | |
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| | RALU | Register-equipped Arithmetic Logic Unit | |
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| | RAM | Random Access Memory | |
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