LETTER 'P and Q' COMPUTER ABBREVIATIONS

P

    P2P—Peer-To-Peer
    PaaS—Platform as a Service
    PAN—Personal Area Network
    PAP—Password Authentication Protocol
    PARC—Palo Alto Research Center
    PATA—Parallel ATA
    PBS—Portable Batch System
    PC—Personal Computer
    PCB—Printed Circuit Board
    PCB—Process Control Block
    PC DOS—Personal Computer Disc Operating System
    PCI—Peripheral Component Interconnect
    PCIe—PCI Express
    PCL—Printer Command Language
    PCMCIA—Personal Computer Memory Card International Association
    PCM—Pulse-Code Modulation
    PCRE—Perl Compatible Regular Expressions
    PD—Public Domain
    PDA—Personal Digital Assistant
    PDF—Portable Document Format
    PDH—Plesiochronous Digital Hierarchy
    PDP—Programmed Data Processor
    PE—Physical Extents
    PERL—Practical Extraction and Reporting Language
    PFA—Please Find Attachment
    PG—Peripheral Gateway
    PGA—Pin Grid Array
    PGA—Programmable Gate Array
    PGO—Profile-Guided Optimization
    PGP—Pretty Good Privacy
    PHP—Hypertext Preprocessor
    PIC—Peripheral Interface Controller
    PIC—Programmable Interrupt Controller
    PID—Proportional-Integral-Derivative
    PID—Process ID
    PIM—Personal Information Manager
    PINE—Program for Internet News and Email
    PIM—Platform Independent Model
    PIO—Programmed Input/Output
    PKCS—Public Key Cryptography Standards
    PKI—Public Key Infrastructure
    PLC—Power Line Communication
    PLC—Programmable Logic Controller
    PLD—Programmable Logic Device
    PL/I—Programming Language One
    PL/M—Programming Language for Microcomputers
    PL/P—Programming Language for Prime
    PLT—Power Line Telecommunications
    PMM—POST Memory Manager
    PNG—Portable Network Graphics
    PnP—Plug-and-Play
    PoE—Power over Ethernet
    POID—Persistent Object Identifier
    POJO—Plain Old Java Object
    POP—Point of Presence
    POP3—Post Office Protocol v3
    POSIX—Portable Operating System Interface, formerly IEEE-IX
    POST—Power-On Self Test
    PPC—PowerPC
    PPI—Pixels Per Inch
    PPP—Point-to-Point Protocol
    PPPoA—PPP over ATM
    PPPoE—PPP over Ethernet
    PPTP—Point-to-Point Tunneling Protocol
    PR—Pull Request
    PS—PostScript
    PS/2—Personal System/2
    PSA—Professional Services Automation
    PSM—Platform Specific Model
    PSU—Power Supply Unit
    PSVI—Post-Schema-Validation Infoset
    PTS-DOS—PhysTechSoft - Disk Operating System
    PV—Physical Volume
    PVG—Physical Volume Group
    PVR—Personal Video Recorder
    PXE—Preboot Execution Environment
    PXI—PCI eXtensions for Instrumentation

Q

    QDR—Quad Data Rate
    QA—Quality Assurance
    QFP—Quad Flat Package
    QoS—Quality of Service
    QOTD—Quote of the Day
    Qt—Quasar Toolkit
    QTAM—Queued Teleprocessing Access Method
    QSOP—Quarter Small Outline Package

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