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Functionalities of Operating System



Resource Manger(CPU , Memory, I/O devices)
Processor  Management(Scheduling)
Memory Management(RAM)
I/O Device Management
Storage Management(file System)
Security & Protection

   Goals of Operating System

  1.  Convenience(easy to use)
  2. Efficiency

    GUI (Graphical CUI(character User Interface ) User Interface)

     They  both are like interfaces which helps to access hardware.
  • Graphical user Interface helps us to access using Icons and images.(Windows)
  • Character user Interface with Commands.(Direct Operating System).


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