Computer/System Terms
Acronyms - P
- p-p - peak-to-peak (alternating current (AC) voltage measurement)
- PaaS - Platform-as-a-Service
- PAM - privileged access management
- PAN - personal area network
- PAT - port address translation
- PBX - Private Branch Exchange
- PC - personal computer
- PC - program counter
- PC-AT - Personal Computer Advanced Technology
- PCA - power calibration area (laser power needed for CD burn)
- PCH - Platform Controller Hub (motherboard processor interface)
- PCI - Peripheral Component Interconnect (internal communications)
- PDA - personal data (digital) assistant (mobile Internet device)
- PDF - Portable Document Format (printable images format)
- PDU - protocol data unit
- PE - portable executable file
- pel - picture element - pixel (bitmat image dot)
- PGA - pin grid array
- PI - parity inner (bytes) (DVD (digital versatile disc) writing)
- PID - process identification value
- PIN - Personal Identification Number
- PING - Packet Internet Groper
- PIO - programmed input/output (CPU (central processing unit) data transfer)
- PLC - Programmable Logic Controller
- PM - Page Mode (DRAM (dynamic random access memory) memory access)
- PMA - program (power) memory area (writeable disc temporary storage area)
- PMOS - positive metal oxide semiconductor (boron/silicon transistor)
- PMR - perpendicular magnetic recording (hard drive/media storage method)
- PNG - Portable Network Graphics (bitmapped image format)
- PNP - Positive, Negative, Positive transistor (silicon chip sandwiched layer arrangement)
- PnP - Plug and Play (automatic program installation configuration)
- PO - parity outer (bytes) (DVD (digital versatile disc) writing)
- PoE - Power over Ethernet
- POST - Power-on Self Test (start-up diagnostic routine)
- POTS - plain old telephone service
- PPI - pixels per inch
- PPM - pages per minute (printer speed measure)
- PROM - Programmable Read-Only Memory (chip memory allowing one-time programming)
- PS - power supply
- PSU - power supply unit
- PVC - polyvinyl chloride (cable jacket covering material)
- PVC - permanent virtual circuit (pre-programmed bandwidth connection)
P
Acronyms - Q
- QAM - quadrature amplitude modulation (wireless signal transmission)
- QL - query language
- QoS - Quality of Service
- QR code - Quick Response code
Q
Acronyms - R
- RAID - Redundant Array of Independent (or Inexpensive) Disks (or Devices)
- RAM - Random Access Memory
- RAS - Remote Access Server
- RAS - Remote Access Service
- RAT - Remote Access Tools
- RDP - Remote Desktop Protocol
- RF - radio frequency
- RFID - radio frequency identification
- RIP - Routing Information Protocol (router communication/path calculation)
- RISC - reduced instruction set computer (high-output chip)
- ROM - read-only memory (data/routine written/burned into memory chip)
- ROM BIOS - read-only memory basic input/output system (procedure stored on memory chip)
- RSA - Rivest-Shamir-Adelman