1. WINDOWS 8

2. Operating
System
Windows 8
Features
Removed features
Intro

3. Introduction
Windows 8 is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops, tablets, and home theatre PCs.
Development of this operating system started before the release of its predecessor in Its existence was first announced in January 2011 at Consumer Electronics Show.
During its development and test phases, Microsoft released three pre-release versions: Developer Preview on September 13, 2011, Consumer Preview February 29, 2012, and Release Preview May 31, 2012.

4. What is a Operating System
An operating system or OS is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer and software programs would be useless.Below are the some examples of it -:
Windows 8
Windows 7
Linux
Fedora
Ubuntu
And many more…
How it Works

6. Features

10. Removed features Traditional Start Button & Start Menu
Windows Aero, Transparent Glass, & Flip 3D
No Windows 8 Desktop Gadgets
Command Bar get replaced by new Ribbon
DVD Playback & Windows Media Center
Previous Versions & Windows Backup and Restore
Parental Control is now family safety on Windows 8
Windows Update Desktop Notifications

11. The Start Screen
Windows 8 At Start screen there is all new Metro UI.

12. Task management
Window 8 A Whole New Task manager dialog box with more details of running applications.

13. Interface issues
Windows 8 All new interface which is hard to understand at the beginning for a newbie. Every window is having a ribbon with it.

14. Lock Screen
Windows 8 A new lock screen feature which allows to lock your PC/ Laptop same as a Smartphone.

16. Windows 8 All new Copy Style

17. THANK YOU