providing an interface

providing an interface

1. operating systems

   • managing resources
     • peripherals
       • input and output devices
         • keyboard
         • mouse
       • drivers
         • software used to map commands to the individual peripherals
       • the programmer doesn't need to know what specific device is being used
     • printing
       • spooling
         • program doesn’t need to worry if the printer is busy or unplugged or out of ink.
           • The operating system will keep it in a queue until the printer is ready
     • backing store
     • filing compression