Operating systems

Operating systems

1. Functions

   • Interface
     • Provides a user interface so its easy to interact with the device
   • manages the CPU
     • Runs application and executes and cancels functions
   • multi-tasking
     • Allows for multiple programs to be open at the same time
   • manages memory
     • Transfers data in and out of memory, allocates free space between programs
   • manages peripherals
     • Opens closes and stores peripherals devices such as storage attached to the computer
   • Organises
     • Creates a file system to organise files and directories
   • security
     • Provides security through user accounts and passwords
   • Utilities
     • provides tools for managing and organising hardware

2. Common features of a GUI

   • ability to search
   • ability to close
   • ability to multi-task
   • has menus