For more information about the site, see the Site Index

• stepless frequency control (SFS)
• stereoscopy (stereoscopic imaging)
• stream recorder (stream ripper)
• summation (sum)
• surge suppressor (surge protector)
• Synchronous Graphics RAM (SGRAM)
• system operator (sysop)
• system-on-a-chip (SoC)
• RZ (return-to-zero)
• Roomba (robotic vacuum)
• role-playing game (RPG)
• Robokoneko (robot kitten)
• ripping (digital extraction)
• RIAA (Recording Industry Association of America)
• reverb (reverberation)
• return merchandise authorization (RMA)
• Request for Comments (RFC)
• Reliability, Availability and Serviceability (RAS)
• ray tracing (raytracing, ray-tracing or ray casting)
• raster image processor (RIP)
• ransomware (cryptovirus, cryptotrojan or cryptoworm)
• RAND (reasonable and nondiscriminatory)
• radian per second (rad/s or rad/sec)
• rack server (rack-mounted server)
• QXGA (Quantum Extended Graphics Array)
• quadbit (nibble)
• push (or server-push)
• pulse amplitude modulation (PAM)
• pseudo-random number generator (PRNG)
• propeller head (or propellor head, prop head, prophead)
• Project Nao (or Nao Project)
• Programming Language/System (PL/S)
• programmable read-only memory (PROM)
• PPM (pages per minute)
• Printer Control Language (PCL)
• presentation software (presentation graphics)
• predication (branch predication)
• Pray over Internet Protocol (PoIP)
• PPGA (plastic pin grid array)
• PPD file (Postscript Printer Description file)
• power-up (or power-on)
• potential energy (U)
• pop-up download (or download pop-up)
• polymer LED (light-emitting polymer or polyLED)
• Polish notation (prefix notation)
• polarization (wave polarization)
• point-to-point graph (line graph)
• point-of-sale terminal (POS terminal)
• PLUGE pattern (picture line-up generation equipment pattern)
• PLATO (Programmed Logic for Automatic Teaching Operations)
• Platform for Internet Content Selection (PICS)
• planned obsolescence (built-in obsolescence)
• PKZIP (or PKZip)
• pixels per inch (ppi)
• PIO (Programmed Input/Output)
• pie graph (or pie chart)
• picture element (pel)
• picofarad per meter (pF/m)
• physical unit (PU)
• photonic ink (P-Ink)
• PHOLED (phosphorescent organic light-emitting device)
• phase-change memory (PCM)
• Personal Search Syndication (PSS)
• Personal Handyphone System (PHS)
• permeability of free space (a vacuum)
• percent change (percent difference)
• per cent symbol (%)
• peak-to-peak (pk-pk)
• peak (pk)
• PDP-11 (Programmed Data Processor-11)
• PC100 Synchronous Dynamic Random Access Memory (PC100 SDRAM)
• pathing (path control)
• path to profitability (P2P)
• parthenogenesis (asexual reproduction)
• Pareto chart (Pareto distribution diagram)
• parameter RAM (PRAM or parameter random access memory)
• parallel presence detect (PPD)
• Parallel ATA (Parallel Advanced Technology Attachment or PATA)
• page description language (PDL)
• P4P (proactive provider participation for P2P)
• organic thin-film transistor (OTFT)
• optical computer (photonic computer)
• OPML (Outline Processor Markup Language)
• operations research (OR)
• operational level agreement (OLA)
• OpenGL (Open Graphics Library)
• Open eBook Forum (Open Electronic Book Forum or OEBF)
• Open Data-Link Interface (ODI)
• on-screen display (OSD)
• Online Public Access Catalog (OPAC)
• OneWebDay (OWD)
• offset printing (offset lithography)
• number theory (higher arithmetic)
• NUMA (non-uniform memory access)
• nuclear time unit (NTU)
• NRZ (non-return-to-zero)
• nonuniform rational B-spline (NURBS)
• no op (no operation)
• Ni2 (Net indexer 2)
• newton-second (N-s)



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