| SAR | Store A Register |
| MAS | MAin Store |
| SF | Store and Forward |
| WCS | Writable Control Store |
| SDR | Store Data Register |
| PCS | Patchable Control Store |
| SCOS | Single Copy Object Store |
| PS | Personal System [IBM] |
| PC | Personal Computer |
| PUK | Personal Unblocking Key |
| PFW | Personal Firewall |
| PWS | Personal Web Server |
| VPC | Very Personal Computer |
| PDA | Personal Digital Assistance |
| PHP | Personal Home Page |
| PIC | Personal Intelligent Communicator |
| PIM | Personal Information Manager |
| PIS | Personal-Informations-System |
| PLB | Personal Locator Beacon |
| PNW | Personal NetWare [Novell] |
| PPC | Personal Productivity Center |
| PSA | Personal-Service-Agentur |
| PSE | Personal Security Environment |
| PSP | Personal Software Process |
| PVR | Personal Video Recorder |
| WPC | Wearable Personal Computer |
| VPC | Virtual Personal Computer |
| PCN | Personal Communication Network |
| PCM | Personal Computer Manufacturer |
| NPC | Network Personal Computer |
| HPC | Handheld Personal Computer |
| PBC | Personal Business Computer "Veraltete Bezeichnung für "PC"" |
| IPDS | IBM Personal Dictation System |
| IPC | Integrated Personal Computer |
| PCA | Personal Client Architecture |
| IPC | Inter Personal Computer |
| PAD | Personal Aroma Diffusor |
| PAM | Personal Application Manager |
| PCI | Personal Computer Instrumentation |
| MPC | Multimedia Personal Computer |
| PAN | Personal Account Number |
| PBD | Personal Board Decision |
| PID | Persistant / Personal / Protocol Identifier |
| HTPC | Home Theater Personal Computer |
| CPS | Certified Personal Secretary [engl.] Leistungsnachweis für persönliche Sekretäre |
| APC | Armoured Personal Carrier [engl.] Schützenpanzerwagen |
| UTP | Universal Personal Telephone Service |
| UPT | Universal Personal Telecommunication [service] |
| UMPC | Ultra Mobile Personal Computer |
| SPOT | Smart Personal Object Technology |