| 1. | PAS | Publicy Available Specifications |
| 2. | PASO | Plan de Acción Software para España |
| 3. | PCB | Project Control Board (EPHOS) See also: EPHOS |
| 4. | PCL | Printer Control Language |
| 5. | PEIN | Plan Electrónico e Informático Nacional |
| 6. | PERT | Program Evaluation and Review Technique |
| 7. | PGGC | Plan General de GarantÃa de Calidad aplicable al desarrollo de equipos lógicos |
| 8. | PHYSAN | Phyto-SANitary Controls See also: IDA |
| 9. | PII | Programa Intergubernamental de Informática See also: UNESCO |
| 10. | PIIC | See also: ICCP |