List of Computing and IT Abbreviations - P

P

  • P2P—Peer-To-Peer
  • PAC—Programmable Automation Controller
  • PAN—Personal Area Network
  • PAP—Password Authentication Protocol
  • PARC—Palo Alto Research Center
  • PATA—Parallel ATA
  • PC—Personal Computer
  • PCB—Printed Circuit Board
  • PCB—Process Control Block
  • PC DOS—Personal Computer Disk 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
  • PGA—Pin Grid Array
  • PGO—Profile-Guided Optimization
  • PGP—Pretty Good Privacy
  • PHP—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
  • 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 Telecoms
  • 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
  • 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
  • PS—PostScript
  • PSA—Professional Services Automation
  • PS/2—Personal System/2
  • 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

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