Page 67 - Trackpad IT-402_Class-IX
P. 67

•  It has a graphical user interface.
            •  Free and open source operating system. Anyone with GNU General Public License (GPL) can run, modify and even
              sell the software.
            •  It supports multiuser and multitasking. Several users can run multiple programs or processes simultaneously on one
              system.
            •  It has a hierarchical file system to represent information.
            Different variants of Linux are available in the market like Red Hat, Ubuntu, Arch Linux etc.





                                  Only 2 out of top 500 Supercomputers run on Windows, 485 are on Linux.




            Mobile Operating System

            Mobile Operating Systems are designed to run the applications and other programs on smartphones, tablets, smart
            watches or other portable devices. It is a combination of an operating system and communication technology.
            Some of the important features are:
            •  It has a graphical user interface with menus and buttons supporting different types of apps.
            •  It has a strong multitasking feature.
            •  It allows a device to easily interact in short distance or long distance communication.
            •  Some of the commonly used mobile OS are Android, iOS, Windows OS etc.














                           Android                        iOS                      Windows Mobile OS



                    TYPES OF OPERATING SYSTEMS

            There are different types of operating systems. The operating system can be categorised on the basis of control and
            application they support. Let us discuss briefly important types of operating systems.

            •  Single-user Operating System: This type of operating system allow only one user can access the computer system at
              a time. The most commonly used single-user operating systems are Palm computer and DOS.
            •  Multi-user Operating System: In this type of operating system, multiple users can use the computer at the same
              time. Examples of multi-user operating systems are Linux, Windows, etc.
            •  Multi-processor Operating System: A multi-processor operating system has more than one Central Processing Units
              (CPUs) to manage the functioning of the computer. All these CPUs are able to communicate with one another to

              coordinate operations. This type of operating systems provide higher speed and capable to run multiple applications
              at the same time.




                                                                                                     ICT Skills-I  67
   62   63   64   65   66   67   68   69   70   71   72