| Abbreviation | Definition |
|---|---|
| PAC | Physically Addressed Cache |
| PAC | Power Accurate Capacitor |
| PAC | Precision Air Conditioning |
| PACS | Power-Aware Computer System |
| PAE | Processor Address Extensions |
| PAKL | Touch PAd, KeyLess |
| PAL | Phase Alternating Line |
| PAN | Personal Area Network |
| PASOCON | Paasonaru Konpyuuta |
| PAT | Portable Appliance Testbed |
| PAUT | Phased Array Ultrasonic Technology |
| PAW | Performance, Architecture, and Workload |
| PAW | Position Adjustable Workbench |
| PBF | PlumBum Free |
| PBI | Passive Backplane ISA (Industry Standard Architecture) |
| PBP | Passive Backplane PISA (PCI Industry Standard Architecture) |
| PBW | Peta Bytes Written |
| PC | Paper Cassette |
| PC | Printed Circuit |
| PC | Programmable Controller |