The following terms starting with the letter "P" have specific pages dedicated to them. You can come back to this page or the main Computer Terms page by using the navigation breadcrumbs at the bottom of each page.

• P-SRAM = Pseudo-Static RAM
• P3P = Platform for Privacy Preferences
• PAD = Portable Application Description
• PAL = Phase Alternating Line
• PAL = Programmable Array Logic
• PAN = Personal Area Network
• PAP = Password Authentication Protocol
• PB SRAM = Pipelined Burst Static RAM
• PBX = Private Branch Exchange
• PC = Personal Computer
• PC/TV = Personal Computer and Television
• PCB = Printed Circuit Board
• PCI = Peripheral Component Interface
• PCL = Printer Control Language
• PCM = Pulse Code Modulation
• PCMCIA = Personal Computer Memory Card International Association
• PCS = Personal Communications System
• PDA = Personal Digital Assistant
• PDC = Primary Domain Controller
• PDF = Portable Document Format
• PDL = Page Description Language
• PE = Portable Executable
• Perl = Practical Extraction and Report Language
• PFR = Portable Font Resource
• PGA = Pad Grid Array
• PGA = Pin Grid Array
• PGA = Professional Graphic Adapter
• PGM = Pragmatic General Multicast (was Pretty Good Multicast)
• PGP = Pretty Good Privacy
• Pharming = Redirection of a User to Bogus Websites
• PHB = Photochemical Hole Burning
• Phishing = Social Engineering for Stealing Information
• PHP = PHP Hypertext Preprocessor (Personal Home Page)
• PIC = Programmable Interrupt Controller
• PICNIC = Problem In Chair, Not In Computer
• PIF = Program Information File
• PIM = Personal Information Manager
• PIN = Personal Identification Number
• Pine = Pine Is Not Elm (or Program for Internet News and E-mail)
• PING = Packet Internet Groper
• PIO = Programmed Input Output
• PIP = Peripheral Interchange Program
• PISO = Parallel-In/Serial-Out
• PITA = Pain In The A__ (Rear)
• PJTF = Portable Job Ticket Format
• PKI = Public Key Infrastructure
• PLA = Programmable Logic Array
• PLD = Programmable Logic Device
• PMML = Predictive Modeling Markup Language
• PMS = Pantone Matching System
• PMT = Photomultiplier Tube
• PNG = Portable Network Graphics
• PnP = Plug and Play
• Pod Slurping = Use of the iPod to steal data
• POP = Post Office Protocol
• Port Knocking = Pinging a combination of ports before entry is allowed.
• POS = Pivoting Optical Servo
• POSIX = Portable Operating System Interface for UNIX
• POST = Power On Self Test
• POTS = Plain Old Telephone Service
• PPCP = PowerPC Platform
• ppm = Pages Per Minute
• PPP = Point-to-Point Protocol
• PPPTP = Point-to-Point Tunneling Protocol
• PQDIF = Power Quality Data Interchange Format
• PRAM = Parameter RAM
• PRI = Primary-Rate Interface
• PRL = Packetized Residential Lifeline
• PROM = Programmable Read-Only Memory
• PSTN = Public Switched Telephone Network
• PTH = Plated Through-Hole
• PUP = Potentially Unwanted Program
• PURL = Persistent URL
• PVC = Permanent Virtual Circuit
• PWB = Printed Wire Board