system software

system software

1. Multitasking

   • its buy giving the prossesor a small time
     • to the user it appears that we can multitask
       • in reality resourses such as memory and the processor are being shared amongst tasks

2. user interface

   • graphical user interface
     • contains windows, icons, menus , pointers
       • e.g. windows 10, windows 8, android, Mac OS
       • Memory Management
         • The OS allocatesmemory between the different programs
         • programmers and users do noy need tp know where in memory data is being held
           • Drivers
             • a piece of software used to control a piece of hardware
               • Drivers allow a peripheral for graphics cards, mouse , sound cards
                 • drivers are OS speific and are reguarly updated by companies
                   • you may get drivers fir network interface cards
               • Peripheral Management
                 • operating systems manage the way in which Hardware interacts with software
         • it is the purpose od the Operating System to do this