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Glossary of Internet and Computer Terms


Below, you will find a comprehensive glossary of Internet and Computer terms with definitions that are helpful and easy to understand. To find a term, click the letter of which the word begins with and scroll alphabetically to find your term. For example, to find the definition for the word "Media", click the letter "M", then scroll the list alphabetically until you find "Media".




  • QAM:
    Quadrature Amplitude Modulation. A method of modulating digital signals using both amplitude and phase coding. Used for downstream and can be used for upstream.
  • QPSK:
    Quadrature Phase-Shift Keying. A method of modulating digital signals using four phase states to code two digital bits per phase shift.
  • Quartz: 
    A powerful graphics system that delivers a rich imaging model, on-the-fly rendering, anti-aliasing, and compositing of PostScript graphics. Quartz also implements the windowing system for Mac OS X and provides low-level services such as event handling and cursor management. It also offers facilities for rendering and printing that use PDF as an internal model for graphics representation. 
  • Query: 
    This is to make a computer request of a database.
  • QuickTime Player:
    A multimedia technology developed by Apple Computer. Developed to display video, sound, animation, graphics, text, music and 360 degree virtual reality (VR) scenes. Apple makes its QuickTime plug-in available for free and once installed on your computer system, you can watch streaming media within a web page.  

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