Abbreviations from N to Z


  • NASA = National Aeronautics and Space Administration.
  • NIAC = NASA Innovative Advanced Concepts.
  • NFC = Near Field Communications.
  • NOC = Non-Official Cover referrers to agents who assume covert roles in organisations without official ties to their government.
  • OOP = Object-Oriented Programming.
  • PACER Public Access to Court Electronic Records
  • PDF = Portable Document Format is a bit like a Word document but can be read on many different types of computer systems.
  • PFC = Private First Class is a military rank held by junior enlisted personnel in the US armed forces.
  • PLL = Phase Locked Loop is a circuit to create very precise multiples of a reference frequency. This would be used in digital radio frequency tuning and was integrated into an 8-Pin IC called NE567.
  • POV = Point Of View or Persistence Of Vision.
  • PROM = Programmable Read Only Memory.
  • PSU = Power Supply Unit is a device that takes mains electricity (110 ~ 240 volts AC) and converts it to a much lower voltage for use inside a computer or laptop.
  • QED = Quod Erat Demonstrandum which is Latin for "what was to be shown".
  • QRF = Quick Reaction Force referrers to a military unit that's on standby to go at a moments notice.
  • RBI = Reddit Bureau of Investigation uses the power of Reddit to solve crimes and mysteries. The idea is an organized group of Redditors interested in solving crimes and mysteries thus helping people in the process.
  • RAM = Random Access Memory.
  • ROM = Read Only Memory.
  • RMS = Root Mean Square.
  • RTU = Return To Unit is when a military person leaves their current post and returns to their parent unit.
  • SDR = Software Defined Radio.
  • SDR = Surveillance Detection Route is used by agents to see if they are being followed.
  • SEM = Search Engine Marketing.
  • SEC = Stop Economic Creativity AKA Securities & Exchange Commission.
  • SEO = Search Engine Optimisation is the process of making a website Google friendly.
  • SLR = Self Loading Rifle is a semi-automatic weapon that was used by the British Army until the 1980s.
  • SLR = Single Lens Reflex is a camera system that uses a mirror and prism system that lets the photographer view through the lens and see exactly what will be captured on film.
  • SMS = Short Message Service is sending a short text from a mobile phone.
  • TGN = The Golden Network is a London-based Elite network founded by French entrepreneur Victoria Salem.
  • TLA = Three Letter Acronym referrers to most of what you see here !
  • TOR = The Onion Router is a way to browser the web anonymously.
  • UFO = Unidentified Flying Object.
  • URL = Uniform Resource Location.
  • USB = Universal Serial Buss allows many different devices (mouse, keyboard, webcam) to be connected to a computer.
  • VDU = Visual Display Unit referrers to a monitor.


  • XSS = Cross Site Scripting is a hacking technique to inject malicious content into a website.


Index Chapter 1
(C) 2007 ~ 2024 SI7 - Stats