operating system

operating system

1. functions

   • booting
     • the process in which the computer loads u and turns on
   • memory management
     • the memory loaded on to it cannot be used without the operating system because different data and data execute at the same time and if there is no operating system the it might get muddled up.
   • data security
     • the operating system prevents things deleting data, changing it and stealing it
   • process management
     • CPU can perform one task at one time. if there are many tasks, operating system decides which task should get the CPU.
   • device controlling
     • operating system also controls all devices attached to computer. The hardware devices are controlled with the help of small software called device drivers.
   • print controlling
     • Operating system also controls printing function. It a user issues two print commands at a time, it does not mix data of these files and prints them separately.

2. common features

   • icons
   • programs
   • easy to use
   • some operating systems have a voice command function ( windows 10)
   • icons given pictures
   • simple menu