| PCM |
Puls-Code-Modulation |
| PCMCIA |
PC Memory Card International Association |
| PCN |
Personal Communication Network |
| PCNFS |
Personal Computer Network File System |
| PCP |
Posts Correspondence Problem |
| PCR |
Phase Change Recording |
| PCR |
Peak Cell Rate |
| PCRE |
Perl Compatible Regular Expression |
| PCS |
Project Control System |
| PCS |
Program Control System |
| PCS |
Probabilistic Clock Synchronization |
| PCS |
Print Contrast Signal |
| PCS |
PC Service (OSF) |
| PCS |
Personal Conferencing Specification |
| PCS |
Physical Coding Signalling |
| PCS |
Pinball Construction Set |
| PCS |
Port Concentrator Shelf |
| PCS |
Personal Communication Services/System |
| PCSA |
Personal Computing Systems Architecture (DEC) |
| PCSP |
Partial Constraint Satisfaction Problem |
| PCT |
Private Communication Technology |
| PCTE |
Portable Common Tool Environment |
| PCTS |
POSIX Conformance Test Suite |
| PCWG |
Personal Conferencing Work Group |
| PD |
Page Directory |
| PD |
Public Domain |
| PD |
Protocol Driver |
| PD |
Plug + Display, P+D (Interface) |
| PD |
Phase Change Dual |
| PDA |
Push Down Automaton |
| PDA |
Personal Digital Assistant (Apple) |
| PDB |
Process Data Base |
| PDC |
Program Development Computer/Council |
| PDC |
Primary Domain Controller |
| PDC |
Power Disc Cartridge |
| PDCH |
Physical Data Channel |
| PDD |
Portable Digital Document |
| PDD |
Physical Device Driver |
| PDE |
Partial Differential Equation |
| PDES |
Product Data Exchange Standard |
| PDF |
Printer Description File |
| PDF |
Portable Document Format (Adobe) |
| PDF |
Processor Defined Function |
| PDF |
POP Directional Formatting |
| PDF |
Program Development Facility |
| PDF |
Product Description File |
| PDH |
Plesiochronous Digital Hierarchy |
| PDI |
Personal/Product Data Interchange |
| PDI |
Packet Driver Interface |
| PDIAL |
Public Dialup Internet Access List |