| Abbreviation | Definition |
|---|---|
| PRML | Privacy Rights Markup Language |
| PRML | ProofReading Markup Language |
| PRN | Problem Record Number |
| PRNG | Pseudo Random Number Generators |
| PROG | PROGram |
| PROLOG | Programming in Logic |
| PROM | Packages, References, Objects, and Modules |
| PRPROJ | Premiere Project |
| PRT | Peer Review Team |
| PRTP | Pre-Release Training Programme |
| PRTP | Pseudo-Random Test Pattern |
| PRV | Pre Release Version |
| PS | Personalized Setting |
| ps | photoshop |
| PS | Powershell |
| PSA | Plesk Server Administrator |
| PSAP | Provincial Software Acquisition Plan |
| PSASP | Power System Analysis Software Package |
| PSAT | Power System Analysis Toolbox |
| PSD | Packaged Software Development |