what is an operating system

What is an Operating System?ऑपरेटिंग सिस्टम क्या है। Functions of Operating System | Types of Operating System | ऑपरेटिंग सिस्टम कितने प्रकार के होते है?

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What is an Operating System?

You must have seen at home systematically things are done. This is because of your parents who act as managers. They plan things in advance for home. 

Similarly, a computer which is made up of different parts, does many tasks at a time. So, the computer needs a manager which is called the operating system of a computer. 

Definition of Operating System: 

An Operating System is a software that helps you to operate the computer system through its various parts. It controls and manages the different parts of a computer system. An operating system acts as a middleman between user and computer hardware. 

Here are some of the very popular operating systems. 

  • MS-DOS (Microsoft Disk Operating System) 
  • Windows XP 
  • Windows 7 
  • Windows 8 
  • Windows 10 
  • Unix 
  • MAC OS 
  • MS Windows, etc. 

Functions of Operating System:

  1. Device Management 
  1. Memory Management 
  1. Security Management 
  1. File Management 
  1. Application Management 

Now, let’s have a look one by one.

  1. Device Management: An operating system controls the working of all input and output devices. 
  1. Memory Management: An operating system allots the memory space to various application software. It also removes unnecessary files to create more space in computer’s memory. 
  1. Security Management: An operating system gives security to the computer by means of password protection. 
  1. File Management: An operating system consists of track of files regarding creation, deletion, transfer, copy and storage of file, etc., in an organized manner. 
  1. Application Management: An operating system gives a platform for the application software like MS Word, MS Paint etc., to run. 

Types of Operating System 

Look at the diagram to know the types of operating system 

  1. Single User Operating System 
  1. Multi User Operating System 
  1. Graphical User Interface (GUI)
  1. Character User Interface (CUI)

These are the four types of operating system. 

Now, Let’s have a look one by one. 

  1. Single User Operating System: In a Single User Operating System, only one person can work at a time. 

For example: Microsoft Windows and Mac OS. 

  1. Multi User Operating System: More than one person can work at a time with a multi user operating system. 

For example: UNIX, NETWARE and LINUX are famous multi user operating system. 

  1. GUI (Graphical User Interface): GUI stands for Graphical User Interface. As the name suggests, such operating systems use icons on the monitor to work and navigate. A user just needs to point and click the icons or images to execute commands.  Microsoft windows and Mac OS are GUI based operating system. 
  1. CUI (Character User Interface): CUI stands for Character User Interface. Such operating systems need typed instructions to work and navigate within a computer. These operating systems are difficult to work with as they require a user to memorize a number of commands.  MS-DOS (Microsoft-Disk Operating System) is a CUI based operating system. 

What is an Operating System? | ऑपरेटिंग सिस्टम क्या है। Functions of Operating System | Types of Operating System | ऑपरेटिंग सिस्टम कितने प्रकार के होते है?

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