A secret number you need to operate a mobile phone, or use a credit card - 7 PIN
A disc that people usually use to watch films - 2 DVD
Typical questions that people ask on a website - 6 FAQ
A large collection of documents, pictures and sounds kept on computers in many different places and connected through the Internet - no matching abbreviation in previous question.
A disc that computers can read, containing text, image and sound - 3 CD-ROM
A system for finding exactly where you are in the world using satellites - 5 GPS
A way of sending a text message to a mobile phone - 4 SMS