英语缩略语词汇P
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P3P Platform for Privacy Preferences Project PAB Personal Address Book PABX Private Automatic Branch Exchange PACE Priority Access Control Enabled [3Com] PACS Picture Archiving and Communication System PACS-L Public Access Computer Systems List [Internet] PAD Packet Assembler/Disassembler PADS Pen Application Development System [Slate Corporation] PAIH Public-Access Internet Host [Internet] PAIS Public-Access Internet Site [Internet] .PAK Packed (compressed file name extension) [NoGate Consulting] PAL Paradox Applications Language [Borland] + Phase Alternating Line + Programmed Array Logic + Programming Assembly Language .PAL Palette (file name extension) PALC Plasma-Addressed Liquid Crystal (display) PALS Principles of the Alphabet Literacy System PAM Pulse Amplitude Modulation PAN Personal Area Network [GTE] PAP Packet-level Procedure + Password Authentication Protocol + Printer Access Protocol PAR Personal Animation Recorder + Parallel PARA Paragraph PARC Palo Alto Research Center [XEROX] PA-RISC Precision Architecture-RISC [HP] .PAS PASCAL source code (file name extension) PASCAL (Programming Language named for Blaise Pascal) .PAT Patch + Pattern (file name extensions) PATN Promotional Port Access Telephone Number PAX Portable Archive Exchange [Unix] PB Petabyte (1,024 terabytes) (One Million Billion characters of information) PBA Printed Board Assembly PBE Prompt By Example PBGA Plastic Ball Grid Array PBX Private Branch Exchange PC Personal Computer + Printed Circuit + Program Counter PCACIAS Personal Computer Automated Calibration Interval Analysis System PCB Printed Circuit Board + Program Control Block PCBC Plain/Propagating Cipher Block Chaining PCD Photo Compact Disk PC-DOS Personal Computer - Disk Operating System [IBM] PCEB PCI to EISA Bridge [Intel] PCI Peripheral Component Interconnect/Interface PCIC PC-Card Interrupt Controller PC-I/O Program Controlled I/O PCL Printer Command Language [HP] + Process Control Language PCM Personal Computer Manufacturer + Printer Cartridge Metric [HP] + Pulse Code Modulation PCMA Paired Carrier Multiple Access PCMC PCI, Cache, Memory Controller [Intel] PCMCIA Personal Computer Memory Card International Association PCMIM Personal Computer Media Interface Module PCN Personal Computer Network PCNFS Personal Computer Network File System PCO Point of Control and Observation PCS Patchable Control Store + Personal Communication Services/System + Personal Conferencing Specification + Planning Control Sheet + Print Contrast Signal + Process Control Systems + Program Counter Store + Project Control System PCT Private Communications Technology .PCT Picture (file name extension) .PCX Picture Image (file name extension) PD Phase-Change Dual + Public Domain PDA Personal Digital Assistant .PDB Pilot Database (file name extension) [Palm Pilot] PDC Primary Domain Controller PDD Physical Device Driver + Portable Digital document PDF Package Definition File + Portable document Format + Portable document File + Processor Defined Function + Program Development Facility .PDF Printer Description (file name extension)[Borland,Lotus] PDH Plesiosynchronous Digital Hierarchy PDIAL Public Dialup Internet Access List [Internet] PDL Page Description Language + Program Description Language + Program Design Language PDM Product Data Management PDN Public Data Network PDO Portable Distributed Objects [Next] PDP Parallel Data Processing + Plasma Display Panel + Programmable Data Processor + (DEC Computer System Designation, i.e. PDP-8, PDP-11) PDS Packet Driver Specification + Partitioned Data Set + Planetary Data System + Portable document Software + Processor Direct Slot [Macintosh] PDSS Post Development and Software Support PDT Performance Diagnostic Tool [IBM] + Programmable Drive Table PDU Plug Distribution Unit + Protocol Data Unit .PDX Paradox files (file name extension) [Borland] + Printer Description Extension (file name extension) PE Parity Even + Processing Element + Protect Enable PEA Pocket Ethernet Adapter PEL Picture Element [IBM] PEM Privacy-Enhanced Mail [Internet] PEN SDK Pen Computing Software Development Kit PEP Packet Exchange Protocol + Packetized Ensemble Protocol [Telebit] PERC Power Edge RAID Controller PERL Practical Extraction and Report Language [Unix] PERT Program Evaluation and Review Technique PES Positioning Error Signal + Processor Enhancement Socket Processor Upgrade Socket PET Print Enhancement Technology [Compaq] .PFB Printer Font Binary (file name extension) PFE Programmer's File Editor .PFM Printer Font Metrics (file name extension) [Windows] PFN Page Frame Number PFR Power-Fail Restart PGA Pin Grid Array + Professional Graphics Adapter [IBM] PGC Program Group Control [Microsoft] PGDN Page Down .PGL Graphics (file name extension) [Hewlett-Packard] PGM Program PGML Precision Graphics Markup Language PGP Pretty Good Privacy (name of encryption program) .PGP ProGram Parameter (file name extension) [AutoCAD] PGUP Page Up PHIGS Programmers' Hierarchical Interactive Graphics Standards .PHO Phone List (file name extension) PHS Personal Handyphone System PI Program Interruption PIA Peripheral Interface Adapter PIC Personal Information Carrier + Personal Intelligent Communicator + Platform for Internet Content + Priority Interrupt Controller + Program Interrupt Controller PICS Platform for Internet Content Selection [W3C] PICT Picture PID Process Identification Number + Product ID + Proportional, Integral, Derivative PIER Procedures for Internet/Enterprise Renumbering PIF Picture Interchange Format File + Program Information File PII Program Integrated Information PILOT Programmed Inquiry Learning Or Teaching PilotACE* Pilot Automatic Computing Engine PIM Personal Information Manager + Primary Interface Module + Protocol-Independent Multicast PIN Personal Identification Number + Process Identification Number [Unix] PINE Pine Is Not Elm (original usage) + Program for Internet News & Email (present usage) PING Packet Internet Groper PIO Parallel Input/Output + Processor Input/Output + Programmed Input/Output PIP Pattern and Information Processing + Picture In Picture + Problem Isolation Procedure + Programmable Interconnect Point PIPO Parallel In, Parallel Out PIR Protocol Independent Routing PIT Programmable Interval Timer PIXEL Picture Element PJPEG Progressive JPEG PKC Public Key Cryptography PL Plus .PL Pearl Language (file name extension) PLA Programmable Logic-Array PLATO Programmed Logic for Automatic Teaching Operations PLC Programmable Logic Controller PLCC Plastic Leadless Chip Carrier PLD Programmable Logic Device PLDS Pilot Land Data System [NASA] PLL Phase Locked Loop .PLL Prelinked Library (file name extension) [Clipper] PL/M Programming Language for Micros PLS Primary Link Station PLV Production Level Video PL/1 * Programming Language One PM Presentation Manager [IBM] + Preventative Maintenance + Process Manager P-MAIL Paper Mail PMD Packet Mode Data PMMU Paged Memory Management Unit PMOS Positive Channel Metal Oxide Semiconductor PMR Problem Management Report [IBM] PMS Policy Management System PN Processing Node P/N: Part Number PNA Programmable Network Access PNG Portable Network Graphics PNNI Private Network to Network Interface PNP Plug And Play PO Parity Odd POC Point Of Contact POD Plain Old Dos + Publishing On Demand POE Power Open Environment POH Power-On Hours POL Problem Oriented Language POP Point Of Presence + Pop from Stack + Post Office Protocol POP3 Post Office Protocol, Version 3 POPA Pop All Registers POPF Pop Flags POR Power-On-Reset POS Point Of Sale + Positive + Programmable Object Select POSIX Portable Operating System Interface for Unix POST Power-On Self Test POSTNET Postal Numeric Encoding Technique (bar code) POTS Plain Old Telephone Service + Plain Old Time-Sharing POWER Performance Optimization with Enhanced RISC [IBM] PowerPC Performance Optimization with Enhanced RISC-Performance Computing PP Parallel Port PPA Pixel Processing Accelerator .PPD Postscript Printer Description (file name extension) PPDS Personal Printer Data Stream [IBM] PPGA Plastic Pin Grid Array PPI Precise Pixel Interpolation PPM Pages Per Minute PPP Point-to-Point Protocol [Internet] PPS Packets Per Second + Power Personal Systems [IBM] PPTP Point-to-Point Tunneling Protocol [Microsoft] PQFP Plastic Quad Flat Pack PRACSA Public Remote Access Computer Standards Association PRAM Parallel Random-Access Machine + Parameter Random Access Memory .PRC Pilot Resource (file name extension) [Palm Pilot] .PRD Printer Driver (file name extension) [Microsoft] PRE Preformatted [HTML] PReP Power PC Reference Platform [IBM/Motorola] PRF Pulse Repetition Frequency .PRF Preferences (file name extension) [Grammatik IV] .PRG Program (file name extension) PRI Primary-Rate Interface PRINTF Print with Formatting [C Programming Language] PRISM Photo-Refractive Information Storage Material .PRJ Project (file name extension) [Borland] PRMD Private Management Domain [X.400] PRML Partial-Response Maximum-Likelihood .PRO Profile (file name extension) PROC Procedure PROFS Professional Office System [IBM] PROG Program + Programmer PROLOG Programming In Logic (Programming Language)(See HLL) PROM Programmable Read Only Memory PRN Printer .PRS Printer (file name extension) [WordPerfect] PRTSC Print Screen PS Proportional Spacing .PS Postscript (file name extension) PS/2 Programming System 2 [IBM] PSAPI Presentation Space Application Programming Interface PSC Personal Super Computer + Print Server Command + Product Service Center PSDN Packet-Switched Data Network PSDS Packet-Switched Data Service PSERVER Print Server [NetWare] PSF Permanent Swap File PSID Postscript Image Data PSINET (formerly Performance Systems International) PSM Printing Systems Manager PSN Packet Switching Network + Processor Serial Number PSP Personal Software Products (group) [IBM] + Program Segment Prefix PSPDN Packet-Switched Public Data Network P-SRAM Pseudo-Static Random Access Memory PSRT Postscript Round Table [GEnie] PSTN Public Switched Telephone Network PSU Power Supply Unit PSW Program Status Word .ps.Z Compressed Postscript (file name extension) [Unix] PT Page Table P/T Part Time PTD Parallel Transfer Disk Drive PTE Page Table Entry PTF Problem Temporary/Trouble Fix [IBM] PTI Packet Type Identifier PTT Postal Telephone & Telegraph PUB Public (directory) [Internet] + Publish .PUB Publication (file name extension) [Ventura] PUN Physical Unit Number PUP PARC Universal Packet (protocol) PUS Processor Upgrade Socket PUSHA Push All Registers PUSHF Push Flags PVC Permanent Virtual Circuit + Polyvinyl Chloride PVM Parallel Virtual Machine + Pass-through Virtual Machine (protocol) [IBM] PVP Parallel Vector Processing PVS Parallel Visualization Server PW Password PWB Printed Wire Board + Programmer's Workbench [Microsoft] PWD Print Working Directory [Unix] PWR Power PWSCS Programmable Workstation Communication Services [IBM] .PX Primary Index (file name extension) 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