| 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 |
| 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) |
|
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/Programmable
Drive Table/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 |
| 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 |
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 |
|
.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) |
| 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 |
