Computer science with seats are there in iit for FAIR USE for purpose such a big deal

Ppt presentation

2. •∆ Introduction To Operating System
•∆ What Is Operating System
•∆ The Operating System‘s Job
•∆ Important Function Of Operating System
•∆ Types Of Operating System
•∆ Conclusion
•∆ Bibliography
∆ FLOW OF PRESENTATION

3. •INTRODUCTION TO OPERATING SYSTEM
An Operating System (OS) is an interface between computer
user and computer hardware. An operating system is a
software which performs all the basic tasks like file
management, memory management, process management,
handling input and output, and controlling peripheral devices
such as disk drives and printers. An operating system is the
most important software that runs on a computer. Some
popular Operating Systems include Linux Operating System,
Windows Operating System, VMS, OS/400, AIX, z/OS, etc.

4. • WHAT IS OPERATING SYSTEM
An Operating System performs all the basic tasks like
managinge files, processes, and memory. Thus operating
system acts as the manager of all the resources, i.e. Resource
manager. Thus, the operating system becomes an interface
between the user and the machine. It is one of the most
required software that is present in the device.
Some popular Operating Systems include Linux Operating
System, Windows Operating System, VMS, OS/400, AIX,
z/OS, etc.

5. • THE OPERATING SYSTEM‘S JOB
Our computer's operating system (OS) manages all of the
software and hardware on the computer. Most of the time,
there are several different computer programs running at the
same time, and they all need to access your computer's central
processing unit (CPU), memory, and storage. The operating
system coordinates all of this to make sure each program gets
what it needs.

6. • IMPORTANT FUNCTIONS OF OPERATING SYSTEM
•Memory Management
• Processor Management
• Device Management
• File Management
• Security
• Important functions of Operating system
• Control over system performance

7. TYPES OF OPERATING SYSTEM
1• Batch Operating system :
This type of operating system does not
interact with the computer directly. There
is an operator which takes similar jobs
having same requirement and group
them into batches. It is the responsibility
of operator to sort the jobs with similar
needs.

8. 2 • MULTI-PROGRAMMING OPERATING SYSTEM
•Multiprogramming Operating
Systems can be simply
illustrated as more than one
program is present in the main
memory and any one of them
can be kept in execution. This
is basically used for better
execution of resources

9. 3 • MULTI-PROCESSING OPERATING SYSTEM
Multi-Processing Operating System is a type
of Operating System in which more than one
CPU is used for the execution of resources. It
betters the through out of the System

10. 4 • MULTI-TASKING OPERATING SYSTEM
•Multiuser operating system allow simultaneous access to
a computer system through two or more terminals.
Although frequently associated with multiprogramming,
multiuser operating system does not imply
multiprogramming or multitasking. A dedicated
transaction processing system such as railway
reservation system that supports hundreds of terminals
under control of a single program is an example of
multiuser operating system.

11. 5 • TIME SHARING OPERATING SYSTEM
•It is a form of multiprogrammed operating
system which operates in an interactive
mode with a quick response time. The
computer processes it and a response (if
any) is displayed on the user's terminal. A
time sharing system allows the many users
to simultaneously share the computer
resources.

12. 6 • DISTRIBUTED OPERATING SYSTEM

These types of operating system is a recent
advancement in the world of computer
technology and are being widely accepted
all-over the world and, that too, with a great
pace. Various autonomous interconnected
computers communicate each other using a
shared communication network. Independent
systems possess their own memory unit and
CPU.

13. 7 • NETWORK OPERATING SYSTEM
•These systems run on a server and provide
the capability to manage data, users,
groups, security, applications, and other
networking functions. These type of
operating systems allow shared access of
files, printers, security, applications, and
other networking functions over a small
private network.

14. 8 • REAL – TIME OPERATING SYSTEM
It is another form of operating system which are
used in environments where a large number of
events mostly external to computer systems, must
be accepted and processed in a short time or
within certain deadlines. Examples of such
applications are flight control, real time simulations
etc. Real time systems are also frequently used in
military application. A primary objective of real-
time system is to provide quick response times.

15. 9 • LAYERED STRUCTURE OF THE OPERATING SYSTEM

16. CONCLUSION
•Operating system have came a long way since their
early days. They have evolved to support a wide range
of devices and provide essential functionality for
modern computing From batch processing system to
mobile operating systems, each era has brought new
capabilities and challenges. As Technology advances,
operating System will remain at the core, enabling us to
harness the power of computer in our daily lives.

17. BIBLIOGRAPHY
•For Successfully Completing my project assignment file. I have
taken help from the following website link and books.
•Geeksforgeeks.org
•Jawatpoint.com
•Tutorialspoint.com
•Dr Pawan Kumar Pandey (HOD CS Dept) DNPG College
Gorakhpur
•Operating System Concept “ Ekta Walia “ ( Kanha Publication
Second Edition)

18. THANK
YOU