OS Anna University Notes

Hello sir, I am Rajeev Takiyar. I am from Chennai. I want you to help me by giving me some information about the Operating System (OS) subject notes of Anna University. can you help me?

[Kiran Chandar]

As you have asked about the Operating System subject notes of Anna University, I am giving you information about it


Introduction to Operating System

An OS is a program that acts an intermediary between the user of a
computer and

computer hardware.

Major cost of general purpose computing is software.

OS simplifies and manages the complexity of running application programs

efficiently.

Types of Computer system

1. Mainframe systems

Batch systems

Spooling

2. Multiprogrammed systems

3. Time-sharing Systems

4. Desktop systems

5. Multiprocessor systems

6. Distributed systems

7. Clustered systems

8. Real time systems

9. Handheld systems

Computing Environments

Traditional computing

Web based computing

Embedded computing



Operating System Structures

Computer System Operation

I/O Structure

Storage Structure

Storage Hierarchy

Hardware Protection

General System Architecture


For more, you can refer to the attached file