P's

PABX- Private Automatic Branch Exchange
PAD - Packet Assembler / Disassembler
PAL - Phase Alteration Standard
PAL - Phase Alternating Line
PAL - Programmable Array Logic
PAM - Peachtree Accounting - Macintosh
PAP - Password Authentication Protocol
PARC- Palo Alto Research Center (Xerox PARC)
PAS - Publicly Available Submitter
PAW - Peachtree Accounting for Windows
PAX - Private Automatic Exchange
PBIS- Peachtree Business Internet Suite
PBMS- Pacific Bell Mobile Services
PBS - Portable Base Station
PBX - Private Branch Exchange
PC- Personal Computer
PCA - Peachtree Complete Accounting
PCA - Performance and Coverage Analyzer
PCDOS - Personal Computer Disk Operating System
PCI - Personal Computer Interconnect
PCM - Pulse Code Modulation
PCMCIA- Personal Computer Memory Card International Association
PCR - Peak Cell Rate
PCS - Personal Communication System
PCS - Proxy Cache Server
PD- Phase-Change - Dual
PDA - Personal Digital Assistant
PDC - Primary Domain Controller
PDN - Public Data Network
PDP - Program Data Processor
PDQ - Peachtree Data Query
PDS - Partitioned Dataset
PDS - Planetary Data System
PDS - Premise Distribution System
PDU - Protocol Data Unit
PEM - Product Error Message
PF- Program Function
PFA - Peachtree First Accounting
PGA - Pin-Grid Array
PGA - Professional Graphics Adapter
PGP - Pretty Good Privacy
PIC - Preferred InterExchange Carrier
PIC - Primary InterExchange Carrier
PIC - Programmable Interrupt Controller
PIF - Program Information File
PIG - Product Information Guide
PIM - Personal Information Manager
PIN - Personal Identification Number
PING- Packet Internet Groper
PIO - Programmed Input / Output
PIXEL - Picture Element
PLCC- Plastic Leaded-Chip Carrier
PLCP- Physical Layer Convergence Protocol
PLE - Public Local Exchange
PLL - Phase Locked Loop
PLP - Packet Level Procedure
PMS - Pantone Matching System
PNNI- Private Network-to-Network Interface
PnP - Plug and Play
POA - PowerOpen Association
POH - Power On Hours
POP - Point Of Presence
POP - Post Office Protocol
POS - Programmable Option Select
POST- Power On - Self Test
POTS- Plain Old Telephone Service
PPD - Post-Script Printer Description
PPI - Programmable Peripheral Interface
PPN - Project-Programmer Number
PPP - Point-To-Point Protocol
PPS - Pulses Per Second
PQFP- Plastic Quad Flat Pack
PRI - Primary Rate Interface
PRIMOS- Prime Operating System
PRML- Partial Response - Maximum Likelihood
PROFS - Professional Office System
PROM- Programmable Read-Only Memory
PRW - Peachtree Report Writer
PS/2- Personal System / 2
PS- Physical Sequential
PS- Programmed Symbols
PSC - Peachtree Support Center
PSDN- Packet Switched Data Network
PSTN- Public Switched Telephone Network
PU- Physical Unit
PUN - Physical Unit Number
PUP - PARC Universal Packet
PVC - Permanent Virtual Circuit
PVC - Permanent Virtual Connections
PWS - Peer Web Services