Operating System-R.D.Sivakumar
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The document provides an introduction to operating systems. It defines an operating system as a program that manages computer hardware and acts as an interface between the computer user and hardware. It then lists some of the main functions of an operating system, including process management, memory management, I/O management, and file management. Finally, it notes that operating systems perform basic tasks like recognizing keyboard input, tracking files and directories, sending output to displays, and controlling peripheral devices.
Operating System-R.D.Sivakumar
- 1. Video Lecture and E-Content Created by R.D.SIVAKUMAR,M.Sc.,M.Phil.,M.Tech., Assistant Professor of Computer Science & Assistant Professor and Head, Department of M.Com.(CA), Ayya Nadar Janaki Ammal College, Sivakasi – 626 124. Mobile: 099440-42243 e-mail : sivamsccsit@gmail.com website: www.rdsivakumar.blogspot.in OPERATING SYSTEM
- 2. An operating system is a program that manages the computer hardware. It act as an interface between the computer user and the computer hardware. DEFINITION
- 3. More than users Editor, Compiler, Database Process Mgt., Memory Mgt., I/O Mgt., & File Mgt. CPU, Main Memory, I/O Devices, Storage DIAGRAM
- 4. Operating System performs basic tasks such as recognizing input from the keyboard, keeping track of files and directories on the disk, sending output of the display screen and controlling peripheral devices. OPERATING SYSTEM PERFORMS
- 6. AN EXAMPLE OF OPERATING SYSTEM
- 7. DIFFERENT KINDS OF SOFTWARE