Operating Systems

• Main features of an operating system

  • Provides a GUI
  • Memory management
  • Multitasking
  • Device drivers (talks to the hardware/peripherals)
  • User management
• Multitasking


  Many tasks/instructions executed simultaneously
• Memory management


  Allocates free memory to programs that need it, to optimise performance
• GUI


  An interface the uses graphics to represent the interaction between the user and the computer