PAP - Protocolo de Autentificación de Contraseña.

PBX - Private Branch Exchange.

PC-DOS - Personal Computer Disk Operating System.

PCMCIA - Personal Computer Memory Card International Association.

PCT - Program Comprension tool.

PDA - Personal Digital Assistant (asistente digital personal).

PDD - Portable Digital Document (documento digital portátil).

PDS - Processor Direct Slot.

PERL - Practical Extraction and Report Language.

PGP - Pretty Good Privacy (privacidad bastante buena).

PICMG - PCI Industrial Computer Manufacturers Group.

PILOT - Programmed Inquiry, Learning of Teaching.

PIN - Personal Identify Number.

PINE - Pine is not elm (las patillas no son olmos)

PING - Packet Internet Groper.

PIO - Programmed Input/Output.

PL/I- Programming Language I.

PL/M - Programming Language for Microcoputers.

PLA - Programmable Logic Array (matriz lógica programable).

PLCC - Plastic Leadless Chip Carrier.

PLD -  Programmable Logic Device.

PNG - Portable Network Graphics.

POP 3 - Protocol Office Courrier 3.

POSIX - Portable Operating System Interface.

POTS - Plain Old Telephone Service.

PPM - Pages per minute.

PPP - Point per Point.

PPTP - Point Point Tuneling Protocol.

PRI - Primary Rate Interface.

PVC - Circuit virtual Permanent.