Mobile computers Android operating system Android Apps Mobile computers



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Mobile operating system

  • Mobile computers

  • Android operating system

  • Android Apps

Mobile computers:-

  • Since the 1990, mobile computing has come into our lives in a very big way in the form of smart phones, tablets, personal digital assistants, wearable computers, etc


They are used by people to:-


Features of mobile operating system:-

  • Takes input by touching swiping (or) tapping the touch screen

  • They have features like media players, digital and video cameras, web browsers, etc . .

  • They have GPS navigation systems

  • They can connect to Wi-Fi & high speed mobile broadband

  • Smartphone and tablets run on mobile O.S which acts like a platform for huge range of applications & widgets



  • The O.S are updated online by the companies who manufacture them

  • EX of mobile O.S:- Android (Google), ios (Apple), Symbian ( Nokia), RIM (Blackberry), Bada (samsung), Windows phone (Microsoft), etc


Android O.S:-

  • Android is a Linux based O.S

  • It is an open source software (O.S.S)

  • O.S.S means s/w can be freely distributed by device manufacturers, it can be modified as require

  • Mobiles are running on Android O.S have built-in programs called Apps & Widgets

  • Widget:- A live program which get live updates from the internet

  • EX of Widgets:- Gmail, Facebook, Google+, GPS, etc



Home Screen & Navigation buttons:-




  • Navigation keys:- On every mobile & tablet we’ve 3 navigation keys




  • Back:- Takes you to the previous screen






  • Recent:- Opens a list of thumbnails images of apps you have worked with recently








Camera:-








Voice search:-

  • Instead of typing you ca command your phone by speaking with this feature

  • Tap on mike icon and speak









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