General Abbreviations and Acronyms

1. PBCS
   Business Planning and Control System
2. PBE
   Programming By Example
3. PBPS
   PetaBits Per Second
4. PBX
   Private Branch eXchange (company phone system)
5. PC-DOS
   IBM's Personal Computer Disc Operating System
6. PC-XT
   Personal Computer/Extended Technology
7. PCE
   Portable Computer Enhancement
8. PCF
   Prograph Control Flag
9. PCH
   Pre Compiled Headers
10. PCIL
    Private Core Image Library
11. PCMCIA
    Personal Computer Memory Card International Association
12. PCN
    Personal Communication Network
13. PCO
    Pre-defined Composition Object
14. PCP
    Program Control Program
15. PDA
    Personal Digital Assistant
16. PDAD
    Proposed Draft Addendum
17. PDAU
    Physical Data Access Unit
18. PDB
    Procedural Data Base
19. PDH
    Performance Data Helper
20. PDI
    Picture Description Instructions

Last updated: May 24, 2020 — Total entries: 5,141