| Technology Archive Reference - P | |
| PAB | Personal Address Book |
| PAIH | Public-Access Internet Host |
| PAIS | Public-Access Internet Site |
| PAL | Paradox Applications Language (Borland) |
| PAL | Programming Assembly Language |
| PALC | Plasma Addressed Liquid Crystal (Plasmatron) - color TV technology (invented by Tektronix and licensed to Sony) |
| PCT | Private Communications Technology (replaced by SSLv3 and TLS) |
| PDC | Personal Digital Cellular (2G mobile communication used in Japan) |
| PDO | Portable Distributed Objects |
| PDP | Plasma Display Panel (was used in plasma TV; current technology use LCD and OLED ; manufacture stopped in 2014 in USA) |
| PDP | Programmed Data Processor (PDP-5, PDP-8, PDP-11, Digital Equipment Corp.) |
| PEP | Packet Exchange Protocol (part of XNS) |
| PEX | PHIGS Extension to X (X-windows) |
| PGA | Professional Graphics Adapter/Array |
| PGC | Professional Graphics Controller |
| PHIGS | Programmer's Hierarchical Interactive Graphics System (an API for 3D computer graphics) |
| PHP | Personal Handy Phone |
| PHS | Personal Handyphone System (Japanese mobile phone system) |
| PC-DOS | Personal Computer DOS (IBM PC) |
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