| Acronym | Definition | External Links | |
| P/F |
Poll / Final bit |
 |
| P/H/A |
Phreakers / Hackers / Anarchists |
|
| P2P |
Peer-to-Peer |
|
| P2P |
Person to Person |
|
| P3 |
Platform for Personal Privacy |
|
| P3P |
Platform for Privacy Preferences |
|
| PA |
Physical Address |
|
| PA |
Power Alarm |
|
| PA |
Precision Architecture (RISC) |
|
| PA |
Predictive Analytics |
|
| PA |
Program Address |
|
| PA |
Public Address |
|
| PAA |
Peer Access Approved |
|
| PAAS |
Platform as a Service (usually as PaaS) |
|
| PABX |
Private Automatic Branch Exchange |
|
| PAC |
Point-And-Click |
|
| PAC |
Privilege Access Certificate |
|
| PACCEPT |
Presentation Accept |
|
| PACE |
Priority Access Control Enabled |
|
| PACE |
Program for Arrangement of Cables and Equipment |
|
| PACS |
Personal Access Communications System |
|
| PACS |
Physical Access Control System |
|
| PACS |
Picture Archiving and Communication System |
|
| PACT |
Prefix Access Code Translator |
|
| PAD |
Packet Assembler / Disassembler |
|
| PAD |
Public Access Device |
|
| PADES |
PDF Advanced Electronic Signature (usually as PAdES) |
|
| PADSX |
Partially Automated Digital Signal Cross - Connect |
|
| PAE |
Peer Access Enforcement |
|
| PAE |
Physical Address Extension |
|
| PAEB |
Pan - American EDIFACT Board |
 |
| PAG |
Phreaks Against Geeks |
|
| PAGODA |
Profile Alignment Group for Office Document Architecture |
|
| PAL |
Paradox Application Language |
|
| PAL |
Phase Alternating Line |
|
| PAL |
Programmable Array Logic |
|
| PAL |
Publication Access List |
|
| PAM |
Pluggable Authentication Module |
|
| PAM |
Pulse Amplitude Modulation |
|
| PAN |
Peripheral Area Network |
|
| PAN |
Personal Account Number |
|
| PAN |
Personal Area Network |
|
| PAN |
Primary Account Number |
|
| PANI |
Pseudo Automatic Number Identification |
|
| PANS |
Pretty Advanced New Stuff |
|
| PAP |
Password Authentication Protocol |
|
| PAP |
Practical Applications of Prolog |
|
| PAP |
Printer Access Protocol |
|
| PAPAG |
Phreaks Against Phreaks Against Geeks |
|
| PAR |
Peak-to-Average Ratio |
|
| PAR |
Positive Acknowledgment with Retransmission |
|
| PARADISE |
Piloting A Researcher's Directory Service in Europe (European X.500 deployment project) |
|
| PARC |
Palo Alto Research Center |
|
| PARC |
Per Antenna Rate Control |
|
| PAS |
Public Announcement Service |
|
| PAS |
Public Available Standards |
|
| PAS |
Publicly Available Specification |
|
| PASI |
Production, Availability, Shipments, Inventory |
|
| PAT |
Power Alarm Test |
|
| PATS |
Parameterized Abstract Test Suite |
|
| PAX |
Private Automatic Exchange |
|
| PB |
Pacific Brigade |
|
| PBB |
Provider Backbone Bridges |
|
|
 |
|
| PBBTE |
Provider Backbone Bridge Traffic Engineering (sometimes as PBB-TE) |
|
|
|
|
| PBB-TE |
Provider Backbone Bridge Traffic Engineering |
|
|
|
|
| PBC |
Peripheral Bus Computer |
|
| PBC |
Processor Bus Controller |
|
| PBD |
Pacific Bell Directory |
|
| PBD |
Physical Block Device |
|
| PBDA |
Protected Broadcast Driver Architecture |
 |
|
|
|
| PBEM |
Play By e-Mail (usually as PBeM) |
|
| PBNI |
Pacific Bell Network Integration |
|
| PBP |
Picture By Picture |
|
| PBT |
Performance Based Testing |
|
| PBT |
Provider Backbone Transport |
|
|
|
|
| PBX |
Private Branch Exchange |
|
| PBX |
Public Branch Exchange |
|
| PC |
Personal Computer |
|
| PC |
Politically Correct |
|
| PC |
Primary Center |
|
| PC |
Priority Control |
|
| PC |
Production Control |
|
| PC |
Protocol Control |
|
| PCA |
Parallel Channel Adapter |
|
| PCA |
Personal Communications Attendant |
|
| PCA |
Policy Certification Authority |
|
| PCA |
Principal Component Analysis |
|
| PCAMI |
Personal Computing Asset Management Institute |
|
| PCB |
Printed Circuit Board |
|
| PCB |
Process Control Block |
|
| PCCIP |
President's Commission on Critical Infrastructure Protection |
|
| PCD |
Page Cache Disable (pins) |
|
| PCDA |
Program Controlled Data Acquisition |
|
| PC-DOS |
Personal Computer Disk Operating System |
|
| PCE |
Presentation Connection Endpoint |
|
| PCEI |
Presentation Connection Endpoint Identifier |
|
| PCEO |
Personal Computer Enhancement Operation |
|
| PCEP |
Presentation Connection EndPoint |
|
| PCH |
Parallel CHannel |
|
| PCI |
Payment Card Industry |
|
| PCI |
Peripheral Component Interconnect / Peripheral Component Interface |
|
| PCI |
Presentation Context Identifier |
|
| PCI |
Protocol Control Information |
|
| PCIA |
Personal Communications Industry Association |
|
| PCL |
Printer Control Language |
|
| PCM |
Plug Compatible Manufacturer |
|
| PCM |
Product Capacity Manager |
|
| PCM |
Profit Contribution Margin |
|
| PCM |
Pulse Code Modulation |
|
| PCMCIA |
Personal Computer Memory Card International Association |
|
| PCMM |
People (management) Capability Maturity Model |
|
| P-CMM |
People (management) Capability Maturity Model |
|
| PCN |
Personal Communications Network |
|
| PCNN |
Pulse Coded Neural Network |
|
| PCO |
Peg Count and Overflow |
|
| PCO |
Point of Control and Observation |
|
| PCOIP |
Personal Computer over Internet Protocol (usually as PCoIP) |
|
| PCONNECT |
Presentation Connect |
|
| PCPM |
Programmable Call Progress Monitoring |
|
| PCR |
Peak Cell Rate |
|
| PCR |
Personal Computer Rats |
|
| PCR |
Platform Configuration Register |
|
| PCR |
Post Call Ratio |
|
| PCR |
Program Clock Reference |
|
| PCRE |
Perl-Compatible Regular Expression |
|
|
|
|
| PCS |
Personal Communications Service |
|
| PCS |
Personal Conferencing Standard |
|
| PCS |
Plastic Clad Silica |
|
| PCSA |
Personal Computer System Architecture |
|
| PCSN |
Private Circuit - Switching Network |
|
| PCT |
Private Communications Transport (protocol) |
|
| PCTE |
Portable Common Tool Environment |
|
| PCTR |
Protocol Conformance Test Report |
|
| PCTV |
Program Controlled TransVerters |
|
| PCU |
Packet Control Unit |
|
| PCVD |
Plasma-activated Chemical Vapor Deposition |
|
| PCWG |
Personal Conferencing Work Group |
|
| PD |
Packetization Delay |
|
| PD |
Peripheral Decoder |
|
| PD |
Physical Delivery |
|
| PD |
Public Domain |
|
| PDA |
Personal Digital Assistant |
|
| PDA |
Public Display of Affection |
|
| PDAD |
Proposed Draft ADdendum |
|
| PDAM |
Proposed Draft AMendment |
|
| PDAU |
Physical Delivery Access Unit |
|
| PDB |
Palm DataBase |
|
| PDB |
Program DataBase |
|
| PDC |
Primary Domain Controller |
|
| PDD |
Platform Device Driver (layer) |
|
| PDES |
Product Data Exchange Standard |
|
| PDF |
Portable Data File (as in PDF 417, 2D-barcode format) |
|
| PDF |
Portable Document Format |
|
| PDF |
Power Distribution Frame |
|
| PDF |
Printer Definition File |
|
| PDF |
Probability Density Function |
|
| PDH |
Plesiochronous Digital Hierarchy |
|
| PDI |
Power and Data Interface |
|
| PDIF |
Product Definition Interchange Format |
|
| PDISP |
Proposed Draft International Standardized Profile |
|
| PDL |
Page Description Language |
|
| PDM |
Product Data Management |
|
| PDM |
Product Development Management |
|
| PDM |
Program Development Manager |
|
| PDM |
Pulse Duration Modulation |
|
| PDN |
Public Data Network |
|
| PDO |
PHP Data Objects |
|
| PDP |
Parallel Data Processor |
|
| PDP |
Peripheral Data Processing |
|
| PDQ |
Pretty Damn Quick / Pretty Darn Quick |
|
| PDS |
Packet Driver Specification |
|
| PDS |
Parallel Data Structure |
|
| PDS |
Partitioned DataSet |
|
| PDS |
Physical Delivery Service |
|
| PDS |
Plant Design System |
|
| PDS |
Premises Distribution System |
|
| PDS |
Processor Direct Slot |
|
| PDSP |
Peripheral Data Storage Processor |
|
| PDSP |
Programmable Digital Signal Processor |
|
| PDTR |
Proposed Draft Technical Report |
|
| PDU |
Packet Data Unit / Protocol Data Unit |
|
| PE |
(Win32) Portable Executable |
|
| PE |
Peripheral Equipment |
|
| PE |
Public Enemy |
|
| PEAP |
Protected Extensible Authentication Protocol |
|
| PEB |
PCM Expansion Bus |
|
| PECC |
Product Engineering Control Center |
|
| PED |
Portable Electronic Device |
|
| PEDI |
Protocol for Electronic Data Interchange |
|
| PEG |
Protocol Expert Group |
|
| PEG |
Public, Educational, and Governmental |
|
| PEGI |
Pan European Game Information |
|
|
|
|
| PEL |
Picture Element |
|
| PEM |
Privacy Enhanced Mail |
|
| PEN |
Public Electronic Network |
|
| PEP |
Packet Exchange Protocol |
|
| PEP |
Packetized Ensemble Protocol |
|
| PEP |
Performance Enhancement Package |
|
| PEP |
Personal Enrichment Program |
|
| PEP |
Platform Environment Profile |
|
| PEP |
Protocol Extension Protocol |
|
| PEPM |
Partial Evaluation and semantics-based Program Manipulation |
|
| PEPY |
Presentation Element Parser, YACC |
|
| PER |
Packed Encoding Rules |
|
| PERFMON |
Performance Monitor |
|
| PERL |
Practical Extraction and Reporting Language |
|
| PERT |
Program Evaluation and Review Technique |
|
| PES |
Packetized Elementary Stream |
|
|
|
|
| PET |
Positron Emission Tomography |
|
| PETS |
Parameterized Executable Test Suite |
|
| PF |
Parity Flag |
|
| PF |
Poll / Final (bit) |
|
| PFA |
Predictive Failure Analysis |
|
| PFEP |
Programmable Front - End Processor |
|
| PFI |
Pay For Inclusion |
|
| PFM |
Pulse Frequency Modulation |
|
| PFP |
Pay For Performance |
|
| PFPU |
Processor Frame Power Unit |
|
| PFS |
Page Free Space |
|
| PFS |
Perfect Forward Secrecy |
|
| PG |
Peripheral Gateway |
|
| PGA |
Pin Grid Array (socket) |
|
| PGA |
Professional Graphics Adapter |
|
| PGI |
Parameter Group Identifier |
|
| PGL |
Peer Group Leader (ATM Forum) |
|
| PGML |
Precision Graphics Markup Language |
|
| PGP |
Pretty Good Privacy |
|
| PH |
Packet Handler |
|
| PH |
Parity High (bit) |
|
| PHA |
Phreakers / Hackers / Anarchists |
|
| PHACT |
Phreakers / Hackers / Anarchists / Cyberpunks / Technologists |
|
| PHAT |
Physically Attractive |
|
| PHAT |
Pretty Hot And Tempting |
|
| PHB |
Per-Hop Behavior |
|
| PHD |
Phreak / Hacker Destroyers (usually as PhD) |
|
| PHIGS |
Programmer Hierarchical Interactive Graphics System |
|
| PHP |
PHP Hypertext Preprocessor (originally known as Personal Home Page) |
|
|
|
|
| PHUK |
Phreak/Hack, United Kingdom (sometimes as P-H-UK and P/H-UK) |
|
| PHUN |
Phreaker Hacker Underground Network |
|
| PI |
Parameter Identifier |
|
| PI |
Peripherals Interface |
|
| PI |
Personal Information |
|
| PI |
Physical Inventory |
|
| PI |
Pirate Incorporated |
|
| PI |
Principal Investigator |
|
| PI |
Private Investigator |
|
| PI |
Processing Instruction |
|
| PI |
Protocol Identifier |
|
| PI |
Protocol Interpreter |
|
| PIA |
Peripheral Interface Adapter |
|
| PIA |
Plug-In Administrator |
|
| PIC |
Personal Identification Code |
|
| PIC |
Plastic Insulated Cable |
|
| PIC |
Polyolefin Insulated Cable |
|
| PIC |
Primary Independent Carrier |
|
| PIC |
Primary Interexchange Carrier |
|
| PIC |
Programmable Interrupt Controller |
|
| PICS |
Platform for Internet Content Selection |
|
| PICS |
Plug-in Inventory Control System |
|
| PICS |
Protocol Implementation Conformance Statement |
|
| PID |
Proportional Integral Differential |
|
| PID |
Proprietary Information Disclosure |
|
| PID |
Protection Identifier |
|
| PID |
Protocol IDentifier |
|
| PIDL |
Pointer to an Identifier List |
|
| PIE |
Personal Interactive Electronics |
|
| PIF |
Phase Interface Fading |
|
| PIF |
Program Information File (usually as .PIF) |
|
| PIFT |
Protocol Interbank File Transfer |
|
| PII |
Personally Identifiable Information |
|
| PIM |
Personal Information Manager |
|
| PIM |
Platform Independent Model |
|
| PIM |
Port Interface Module |
|
| PIM |
Processor In Memory / Processing In Memory |
|
| PIM |
Protocol Independent Multicast |
|
| PIMDM |
Protocol Independent Multicast Dense Mode |
|
| PIM-DM |
Protocol Independent Multicast Dense Mode |
|
| PIMP |
Personal Internet Mail Processor |
|
| PIMSM |
Protocol Independent Multicast Sparse Mode |
|
| PIM-SM |
Protocol Independent Multicast Sparse Mode |
|
| PIN |
Personal Identification Number |
|
| PINE |
Program for Internet News and E-mail |
|
| PING |
Packet InterNet Groper |
|
| PIO |
Programmed Input/Output |
|
| PIP |
P Internet Protocol |
|
| PIP |
Packet Interface Port |
|
| PIP |
Picture In Picture |
|
| PIPE |
Primary Integrated Platform Environment |
|
| PIPEDA |
Personal Information Protection and Electronic Documents Act |
|
| PIR |
Protocol Independent Routing |
|
| PITA |
Pain In The Ass |
|
| PITR |
Product Inter-operation Test Report |
|
| PITS |
Pie In The Sky |
|
| PIU |
Path Information Unit |
|
| PIXEL |
Picture Element |
|
| PIXIT |
Protocol Implementation Extra Information for Testing |
|
| PJL |
Printer Job Language |
|
| PJTF |
Portable Job Ticket Format |
|
|
|
|
| PK |
Platform Kit |
|
| PK |
Primary Key |
|
| PKA |
Private-Key Access |
|
| PKC |
Public-Key Cryptography |
|
| PKCS |
Public Key Certificate Standard |
|
| PKCS |
Public Key Crypto System |
|
| PKCS |
Public Key Cryptographics Standard |
|
| PKE |
Public Key Encryption |
|
| PKI |
Public Key Infrastructure |
|
| PKL/M |
Physical Kernel Layer / Manager |
|
| PKLM |
Physical Kernel Layer / Manager |
|
| PKM |
Personal Content Management |
|
| PL |
Parity Low (bit) |
|
| PL |
Physical Layer |
|
| PL |
Presentation Layer |
|
| PL |
Private Line |
|
| PL/1 |
Programming Language / 1 |
|
| PL/M |
Programming Language for Microcomputers |
|
| PLA |
Programmed Logic Array |
|
| PLB |
Picture-Level Benchmark |
|
| PLC |
Power Line Carrier |
|
| PLC |
Programmable Logic Controller |
|
| PLCC |
Plastic Leadless Chip Carrier |
|
| PLCP |
Physical Layer Convergence Procedure / Physical Layer Convergence Protocol |
|
| PLD |
Phase Lock Demodulator |
|
| PLD |
Programmable Logic Device |
|
| PLDI |
Programming Language Design and Implementation |
|
| PLE |
Public Local Exchange |
|
| PLILP |
Programming Language, Implementations, Logics and Programs |
|
| PLL |
Phase Locked Loop |
|
| PLM |
Product Lifecycle Management |
|
| PLMK |
Please Let Me Know |
|
| PLOU |
Physical Layer Overhead Unit |
|
| PLP |
Packet Layer Protocol / Procedure |
|
| PLPA |
Pageable Link Pack Area |
|
| PLS |
Physical Layer Signaling |
|
| PLS |
Programmable Logic Sequencer |
|
| PLSAP |
Physical Layer Service Access Point |
|
| PLU |
Primary Logical Unit |
|
| PLV |
Production-Level Video |
|
| PM |
[MPE] Priviledged Mode |
|
| PM |
[OS/2] Presentation Manager |
|
| PM |
Performance Management |
|
| PM |
Peripheral Module |
|
| PM |
Phase Modulation |
|
| PM |
Physical Medium |
|
| PM |
Plant Management |
|
| PM |
Private Message |
|
| PM |
Project Management |
|
| PM |
Protocol Machine |
|
| PMA |
Performance Measurement Analysis |
|
| PMA |
Physical Medium Attachment |
|
| PMAC |
Packet Media Access Controller / Peripheral Module Access Controller |
|
| PMBX |
Private Manual Branch Exchange |
|
| PMD |
Physical Medium Dependent (Sublayer) / Physical Media Dependent (Sublayer) |
|
| PMD |
Polarization Mode Dispersion |
|
| PMD |
PostMaster Daemon (usually as pmd) |
|
| PME |
(PCI) Power Management Enable |
|
| PMF |
Parameter Management Frames |
|
| PMFJI |
Pardon Me For Jumping In |
|
| PMI |
Physical Medium Independent (Sublayer) |
|
| PMI |
Private Memory Interconnect |
|
| PMIGBOM |
Put Mind In Gear Before Opening Mouth |
|
| PMJI |
Pardon Me, Jumping In / Pardon My Jumping In |
|
| PMK |
Pairwise Master Key |
|
| PMMU |
Paged Memory Management Unit |
|
| PMN |
Performance Monitoring |
|
| PMP |
Point to MultiPoint |
|
| PMP |
Preventative Maintenance Package |
|
| PMP |
Project Management Professional |
|
|
|
|
| PMS |
Pantone Matching System |
|
| PMS |
Public Message Service |
|
| PMT |
Packet-Mode Terminal |
|
| PMT |
Page Map Table |
|
| PMT |
Photo Multiplier Tube |
|
| PMU |
Power Management Unit |
|
| PMU |
Precision Measurement Unit |
|
| PMX |
Packet Multiplexer |
|
| PMX |
Private Message Exchange |
|
| PN |
Personal Name |
|
| PN |
Positive Notification |
|
| PNA |
Private Network Adapter |
|
| PNAP |
Private Network Access Point |
|
| PNB |
Pacific Northwest Bell |
|
| PNC |
Personal Number Calling |
|
| PND |
Present Next Digit |
|
| PNG |
Portable Network Graphics |
|
| PNIC |
Physical Network Interface Card |
|
| PNIC |
Private Network Identification Code |
|
| PNNI |
Private Network-Node Interface / Private Network-to-Network Interface |
|
| PNP |
Plug and Play / Plug N Play (usually as PnP) |
|
| PNPN |
Positive - Negative - Positive - Negative (devices) |
|
| PO |
Purchase Order |
|
| POA |
[Java] Portable Object Adapter |
|
| POAC |
Probe Origin Authentication Check |
|
| POB |
Peripheral Order Buffer |
|
| POC |
Point Of Contact |
|
| POC |
Policy Oversight Committee |
|
| POC |
Proof Of Concept |
|
| POC |
Push-to-talk over Cellular (usually as PoC) |
|
| POCE |
Pantone Open Color Environment |
|
| POCO |
Plain Old CLR Object |
|
| POD |
Piece Of Data |
|
| POD |
Plain Old Documentation |
|
| PODC |
Principles Of Distributed Computing |
|
| PODS |
Plain Old Data Structures |
|
| POE |
Power over Ethernet (usually as PoE) |
|
|
|
|
| POF |
Programmable Operator Facility |
|
| POH |
Path OverHead |
|
| POI |
Point Of Interest |
|
| POI |
Point Overhead Indicator |
|
| POJO |
Plain Old Java Object |
|
| PON |
Passive Optical Network |
|
| PONO |
Plain Old .NET Object |
|
| PONSI |
Program On Non-collegiate Sponsored Instruction |
|
| POOR |
Protectors Of Our Rights |
|
| POP |
Point Of Presence |
|
| POP |
Post Office Protocol |
|
| POP |
Programmable Option Select |
|
| POP3 |
Post Office Protocol version 3 [RFC 1939] |
|
|
|
|
| POPL |
Principles Of Programming Languages |
|
| POS |
Packet Over SONET |
|
| POS |
Point Of Sale |
|
| POS |
Point Of Service |
|
| POSA |
Pattern-Oriented Software Architecture (often as POSA1 or POSA2) |
|
| POSC |
Petrotechnical Open Software Corporation |
|
| POSE |
Palm Operating System Emulator |
|
| POSH |
Plain Old Semantic HTML |
|
| POSI |
Promoting OSI |
|
| POSIX |
Portable Operating System Interface eXtension |
|
| POST |
Power On Self Test |
|
| POT |
Point Of Termination |
|
| POTS |
Plain Old Telephone Service |
|
| POTUS |
President of the United States |
|
| POV |
Point Of View |
|
| POWER |
Performance Optimized With Enhanced RISC |
|
| PP |
Parallel Port |
|
| PP |
Post Pay |
|
| PP |
Pre Pay |
|
| PPA |
Printing Performance Architecture |
|
| PPA |
Privacy Protection Act |
|
| PPA |
Professional Prepress Alliance |
|
| PPC |
Pay Per Click / Pay Per Click-through |
|
| PPC |
Program - to - Program Communication / Peer - to - Peer Communication |
|
| PPCI |
Presentation Protocol Control Information |
|
| PPD |
Peripheral Pulse Distributor |
|
| PPD |
Postscript Printer Description (file) |
|
| PPDU |
Presentation Protocol Data Unit |
|
| PPF |
Print Production Format |
|
|
|
|
| PPI |
Pixels Per Inch (usually as ppi) |
|
| PPIC |
Phose-Phree-Inner-Circle |
|
| PPL |
Pay Per Lead |
|
| PPM |
Pages Per Minute (usually ppm) |
|
| PPM |
Pages Per Month |
|
| PPM |
Parts Per Million |
|
| PPM |
Presentation Protocol Machine |
|
| PPM |
Principal Period Maintenance |
|
| PPM |
Pulse Position Modulation |
|
| PPN |
Private Packet Network |
|
| PPN |
Project-Programmer Number / Programmer Project Number / Project Program Number |
|
| PPOPP |
Principles and Practice Of Parallel Programming |
|
| PPP |
Point-to-Point Protocol |
|
| PPP/MP |
Point-to-Point Protocol / Multilink Protocol |
|
| PPPMP |
Point-to-Point Protocol Multilink Protocol |
|
| PPQN |
Pulses Per Quarter-Note (MIDI) |
|
| PPS |
Packets Per Second |
|
| PPS |
Pay Per Sale |
|
| PPS |
Product Performance Surveys |
|
| PPS |
Public Packet Switching |
|
| PPS |
Pulses Per Second |
|
| PPSDN |
Public Packet - Switched Data Network |
|
| PPSN |
Public Packet - Switched Network |
|
| PPSU |
Personal Printer Spooling Utility |
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| PPTM |
Protocol Profile Testing Methodology |
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| PPTP |
Point-to-Point Tunneling Protocol |
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| PQ |
Priority Queuing |
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| PQA |
Palm Query Application |
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| PQFP |
Plastic Quad Flat Pack (socket) |
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| PR |
Permanent Resident |
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| PR |
Prepare |
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| PR |
Public Relations |
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| PRA |
Parabolic Reflector Antenna |
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| PRA |
Primary Rate Access |
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| PRAM |
Parameter Random Access Memory |
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| PRB |
Packet Receive Buffer |
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| PRB |
Program Request Block |
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| PRCA |
Puerto Rico Communications Authority |
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| PRD |
Product Requirements Document |
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| PRD |
Production Rule Dialect |
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| PRDMD |
Private Directory Management Domain |
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| PRE |
Prefix |
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| PREFUSE |
Presentation Refuse |
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| PREMIS |
PREMises Information System |
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| PREVIS |
Previsualization |
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| PRG |
Purge |
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| PRI |
(ISDN) Primary Rate Interface |
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| PRID |
PRotocol IDentifier |
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| PRM |
Protocol Reference Model |
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| PRMD |
Private Mail Domain / Private Management Domain |
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| PRML |
Partial-Response, Maximum-Likelihood |
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| PRN |
Printer |
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| PROGRES |
PROgramming with Graph REwriting Systems |
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| PROLOG |
PROgramming in LOGic (programming language) |
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| PROM |
Programmable Read-Only Memory |
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| PROMATS |
PROgrammable MAgnetic Tape System |
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| PROMELA |
Process Meta Language |
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| PROTECTIP |
Preventing Real Online Threats to Economic Creativity and Theft of Intellectual Property |
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| PROTECT-IP |
Preventing Real Online Threats to Economic Creativity and Theft of Intellectual Property |
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| PROTEL |
PRocedure Oriented Type Enforcing Language |
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| PRS |
Personal Response System |
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| PRTC |
Puerto Rico Telephone Company |
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| PRTM |
Printing Response Time Monitor |
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| PRTSC |
Print Screen (usually as PrtSc) |
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| PS |
Personal System |
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| PS |
PlayStation (game console) |
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| PS |
PostScript |
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| PS |
Presentation Service |
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| PS |
Print Server |
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| PS |
Professional Services |
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| PS |
Program Store |
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| PS |
Proposed Standard |
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| PS/2 |
Personal System/2 |
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| PS2 |
PlayStation 2 (game console) |
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| PSA |
Professional Services Automation |
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| PSA |
Public Service Announcement |
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| PSAP |
Presentation Service Access Point |
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| PSAP |
Public Safety Answering Point |
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| PSC |
Position Specialty Code |
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| PSC |
Prime Service Contractor |
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| PSC |
Print Server Control |
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| PSC |
Protection Switching Circuit |
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| PSC |
Public Safety Calling system |
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| PSC |
Public Service Commission |
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| PSD |
Power Spectral Density |
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| PSD |
Protection Switching Duration |
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| PSDC |
Public Switched Digital Capability |
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| PSDN |
Packet-Switched Data Network / Public Switched Data Network |
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| PSDS |
Public Switched Digital Service |
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| PSDU |
Presentation Service Data Unit |
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| PSE |
Packet Switch Exchange |
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| PSE |
Power Series Expansion |
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| PSEC |
Picosecond (one trillionth of a second) |
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| PSEL |
Presentation Selector |
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| PSF |
Permanent Swap File |
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| PSH |
Push (flag) |
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| PSI |
Packet Switching Interface |
|
| PSI |
Performance Summary Interval |
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| PSI |
Performance Systems International |
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| PSI |
Pounds per Square Inch |
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| PSI |
Process to Support Interoperability |
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| PSI |
Programmable Serial Interface |
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| PSIA |
Physical Security Interoperability Alliance |
|
| PSIU |
Packet Switch Interface Unit |
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| PSK |
Phase-Shift Keying |
|
| PSK |
Pre-Shared Key |
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| PSM |
(SQL) Persistent Stored Modules |
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| PSM |
Packet Service Module |
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| PSM |
Phase Shift Modulation |
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| PSM |
Platform Specific Model |
|
| PSM |
Position Switching Module |
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| PSN |
Packet Switched Network / Packet Switching Node / Private Switched Network / Public Switched Network |
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| PSO |
Pending Service Order |
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| PSP |
Presentation Services Process |
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| PSP |
Program Segment Prefix |
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| PSP |
Python Server Pages |
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| PSPDN |
Packet Switched Public Data Network |
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| PSRG |
Privacy and Security Research Group |
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| PSS |
Packet Switch Stream |
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| PSS |
Packet Switched Services |
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| PSS |
Packet-switched Streaming Service |
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| PSS |
Performance Support Systems |
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| PSS |
Professional Software Services |
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| PST |
Pre-Structured Technology (development process) |
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| PSTN |
Public Switched Telephone Network |
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| PSU |
Portable Storage Unit / Program Storage Unit |
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| PSU |
Power Supply Unit |
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| PSW |
Process Status Word |
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| PSW |
Program Status Word |
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| PSWAC |
Public Safety Wireless Advisory Committee |
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| PT |
Pass Through |
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| PT |
Payload Type |
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| PT |
Please Token |
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| PT |
Program Timer |
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| PTA |
Personal Telecommunications Assistant |
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| PTAN |
Performance Testing Alliance for Networks |
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| PTAT |
Private Trans Atlantic Telecommunications |
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| PTB |
Powers That Be |
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| PTC |
Part Time Crackers |
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| PTC |
Public Telephone Companies |
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| PTE |
Packet Transport Equipment |
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| PTE |
Path Terminating Entity |
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| PTE |
Path Terminating Equipment |
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| PTF |
Program Temporary Fix |
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| PTG |
Physical Technology Group |
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| PTI |
Payload Type Identifier |
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| PTK |
Pairwise Transient Key |
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| PTL |
Pirates That Live |
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| PTL |
Praise The Lord |
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| PTM |
Pulse Time Modulation |
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| PTN |
Personal Telecommunications Number / Personal Telephone Number |
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| PTNX |
Private Telecommunications Network eXchange |
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| PTO |
Paid Time Off |
|
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| PTO |
Public Telephone Operator |
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| PTP |
Picture Transfer Protocol |
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| PTP |
Point - To - Point |
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| PTR |
Pointer |
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| PTS |
Position and Trunk Scanner |
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| PTS |
Profile Test Specification |
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| PTS |
Protocol Type Selection |
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| PTSE |
PNNI Topology State Element (ATM Forum) |
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| PTSP |
PNNI Topology State Packet |
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| PTT |
Postal Telegraph and Telephone / Post, Telegraph and Telephone |
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| PTT |
Push to Talk |
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| PTTXAU |
Public TeleTex Access Unit |
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| PTW |
Primary Translation Word |
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| PTX |
Performance Toolbox |
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| PTXAU |
Public Telex Access Unit |
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| PTZ |
Pan, Tilt and Zoom (camera) |
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| PU |
Physical Unit |
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| PUBEK |
Public Endorsement Key |
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| PUC |
Peripheral Unit Controller |
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| PUC |
Public Utility Commission |
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| PUCP |
Physical Unit Control Point |
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| PUK |
Personal Unblocking Key |
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| PUP |
PARC Universal Packet (protocol) |
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| PURL |
Persistent Uniform Resource Locators |
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| PV |
Page View |
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| PV |
Parameter Value |
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| PV |
PhotoVoltaic |
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| PVC |
Permanent Virtual Channel / Permanent Virtual Circuit |
|
| PVC |
Polyvinyl Chloride |
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| PVCC |
Permanent Virtual Channel Connection |
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| PVE |
Player versus Environment (usually as PvE) |
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| PVN |
Private Virtual Network |
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| P-VOL |
Primary Volume |
|
| PVP |
Player versus Player (usually as PvP) |
|
| PVPC |
Permanent Virtual Path Connection |
|
| PVR |
Personal Video Recorder |
|
| PVS |
Prototype Verification System |
|
| PVT |
Permanent Virtual Terminal |
|
| PWD |
Present Working Directory (UNIX Command) |
|
| PWE3 |
Pseudo Wire Edge to Edge Emulation |
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| PWI |
Public Windows Interface |
|
| PWM |
Pulse Width Modulation |
|
| PWS |
Peer Web Service |
|
| PWS |
Personal Web Server |
|
| PWT |
Page Write - Through (pins) |
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| PXE |
Preboot eXecution Environment |
|
| PXP |
Packet eXchange Protocol |
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