Technology
Articles about devices, tools, digital systems and innovation.
Pentium 4
Intel Pentium 4
Peripheral equipment
Periscope
Personal computer
Personal digital assistant
Personal digital assistant (PDA)
Personal identification number
Personal identification number (PIN): purpose, format, history and security
Pet door
Pet door (cat flap or doggie door)
Petabyte
Petabyte (PB): definition, conversions, and typical uses
Phablet
Phablet — hybrid smartphone and tablet device
Phone connector
Phone connector (audio jack): overview, types, and uses
Phonograph
Phonograph: mechanical recording and playback of sound
Photocopier
Photocopier (copy machine)
Photodetector
Photodetector: devices that sense and convert light into electrical signals
Photodiode
Photodiode: principles, types, performance and practical uses
Photoflash capacitor
Photolithography
Photolithography: Light-driven patterning for printing and semiconductor manufacturing
Photomask
Photomask: stencil used in photolithography for microfabrication
Photomultiplier tubes
Photomultiplier tube (PMT)
phpBB
Physical Address Extension
Physical Address Extension (PAE) — overview, workings, history and uses
Pianola
Pidgin (software)
Pidgin (software) — a multi‑protocol instant messaging client
Pin
Pincer
Pincer (hand tool)
Pinhole camera
Pinhole Camera: Principles, Construction, History, and Uses
Pioneer plaque
Pitfall!
Pitfall! — 1982 platform game by Activision
Pixel
Pixel (picture element): definition, structure, color, history, and uses
Pixel 3
Google Pixel 3: overview, design, camera and legacy
Pixels per inch
Pixels per inch (PPI): definition, calculation, and practical importance
Plan 9 from Bell Labs
Plastic wrap
Plastic wrap (cling film): materials, uses, history and environmental issues
Plate reader
Plate reader (microplate reader)
Platform
Platinum Range
Platinum Range (PlayStation budget re-release label)
PlayStation
PlayStation 2
PlayStation 2 (PS2)
PlayStation 3
PlayStation 3 (PS3): overview, hardware, models and legacy
PlayStation 4
PlayStation 4 (PS4): Overview, Hardware, Software, and Legacy
PlayStation 5
PlayStation Eye
PlayStation Eye (PlayStation 3 camera peripheral)
PlayStation Move
PlayStation Network
PlayStation Portable
PlayStation Portable (PSP): Sony’s first disc-based handheld console
PlayStation Portable system software
PlayStation Portable system software (PSP firmware)
PlayStation Vita
PlayStation Vita (PS Vita)
Plow
Plow (Plough): Function, History, and Agricultural Role
Plug and play
Plug and Play (computing)