operating system

OPERATING SYSTEM

      Operating system is a type of software that allows computer hardware to communicate with software. A computer without OS is a mere machine.

Ex. DOS (Disk Operating System),Linux,Solaris,windows, vista etc.,.

                                                                 window 7 operating system

Types of operating system:

Graphical User Interface(GUI):
      GUI is an interface , which allows us to interact with electronic devices like mobiles, gaming devices and MP3 players using  some graphical icons.
Ex: Windows 98, Windows CE, System 7x

Multi-user operating system
          Application software which allows multiple users to access the computer with time sharing system.
Ex: Linux, UNIX, Windows 2000
Multiprocessor operating system
           An operating system which supports the utilization of two or more processors on single computer.
Multi-Tasking
          An operating  system which supports  multiple processes at the time .

Multithreading

         This operating system will allow the software to perform some parts of program to run concurrently.