| Abbreviation | Definition |
|---|---|
| PIC | Protecting Infrastructure from Cyberattact |
| PICS | latform for Internet Content Selection |
| PICS | Proposed Internet Cascading Stylesheet |
| PID | Process IDentifier |
| PID | Project Initiation Document |
| PIE | Picture Information Extractor |
| PIE | Pie Isnt Echo |
| PIE | Pocket Internet Explorer |
| PIE | Polymorphism Inheritance Encapsulation |
| PIE | Position Independent Executable |
| PIE | Post-Irradiation Examination |
| PIE | Program Implementation Experience |
| PIE | Python Internet Engine |
| PIFO | Push-In First-Out |
| PIKSA | Personal Information Kiosk System Architecture |
| PIL | Pitt Interpretive Language |
| PIL | Process Integration Language |
| PIL | Programming in Lua |
| PILOT | Product Investigation Learning And Optimization Tool |
| PIM | Per Installed Measure |