| Abbreviation | Definition |
|---|---|
| PSSN | Pocket Sized Spiral Notebook |
| PTH | Press To Heat |
| PTM | Positive Terminal Measurement |
| PTP | Paper Tape Perforator |
| PTP | Paper Tape Punch |
| PTPC | P-touch Label Printer for Personal Computer |
| PTPF | Previous Time Post-Fault |
| PTPS | Package Test Power Supply |
| PTPU | Program Tape Preparation Unit |
| PTU | Processor Timer Unit |
| PTZ | Pan, Tilt, and Zoom |
| PUAD | Power Unit Accesory Drive |
| PUE | Power Usage Effectiveness |
| PUN | Physical Unit Number |
| PUT | Programmable Unijunction Transistor |
| PV | Picture Viewer |
| PVP | Parallel Vector Processor |
| PVR | Parallel Volume Rendering |
| PVR | Private Version Recorder |
| PVS | Passive Vision System |