What Are The Advantages And Disadvantages Of Operating System
INTRODUCTION
The operating system is the most important program that runs on a computer. It is the component of system software in a program. It manages the computer hardware and software . The operating system is a component of the system software in a computer system.
Operating system performs the following operations .
*recognizes the input from the keyboard or mouse
*sends output to the monitor
*keeps track of files and directories on the disk
*controls the peripheral devices such as disk drives and printers
Types of operating system 1)single user operating system
It Provides a platform for only one user at a time. They are popularly associated with Desk Top operating system which run on standalone systems where no
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When computers in a group work in cooperation, they form a distributed system.
4)Embedded operating system
This type of operating system is used in embedded computer systems. It is operated on PDAs with less autonomy. It is compact and efficient to design .
5)Real-time operating system
A real-time operating system is an operating system that guarantees to process events or data within a certain short amount of time.
6)Library operating system
A library operating system is one in which the services that a typical operating system provides, such as networking, are provided in the form of libraries.
Structure of operating system
The structure of OS consists of 4 layers:
1)Hardware It is the collection of physical elements that constitutes a computer system like CPU ,I/O devices
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