The document discusses the history and features of various Windows operating systems, including: - Windows was developed by Microsoft to overcome limitations of MS-DOS and the first successful version was Windows 3.0 in 1990. Common versions included Windows 95, 98, 2000, XP, Vista, 7, 8, and 8.1. - Early systems included MS-DOS, Windows 95 which included a DOS emulator, and Windows NT which did not use DOS. - Windows 2000 was the last to use the "Windows NT" designation before being succeeded by Windows XP for desktops and Windows Server 2003 for servers. - Newer versions like Windows 7, 8, and 8.1 focused on improvements

1. FEATURES OF WINDOWS OPERATING
SYSTEM
MOHAMMAD AMEES
MLIS 1st year
PONDICHERRY UNIVERSITY

2. History of Windows
 Microsoft Windows operating system was developed
by Microsoft to overcome the limitation of its own MS-DOS
operating system.
 First successful version were Windows 3.0, released in
1990.
 Subsequently released version were Windows 95,
Windows 98, Windows 2000, Windows XP, Windows
XP Professional and
Windows Vista.
 Microsoft initially announced the Windows product
seven years earlier and released the first version in 1983.

3. Common Operating Systems
 MS-DOS
 Windows 95
 Windows 98
 Windows ME (Windows Millennium)
 Windows NT
 Windows 2000
 Windows XP
 Windows VISTA
 Windows 7
 Windows 8
 Windows 8.1

4. DOS
 Disk operating system
 Single-user Os from Microsoft for the Pc
 First OS for the PC
 Still the underlying control program for windows 3.1
 Windows 95/98 and Windows NT build in their own
version of DOS to support existing DOS application.

5. Features of DOS
 Single user system
 Machine independence
 Program control
 Peripheral management
 Managing files
 Processing commands
 Managing input and output
 Managing memory
 Operating with Assembler

6. Windows 95
• Released in august 1995
• 32-bit,self contained operating system
• Includes a built-in and enhanced versuion of DOS
• Intro 'Start' button, taskbar
• formed by a large number of virtual device drivers (VxDs)
responsible for handling physical devices (such as video
and network cards), emulating virtual devices used by the
virtual machines, or providing various system services.
• Plug and Play capabilities
• Memory limitaions were expanded
• shipped with Microsoft's own dial-up online service called
The Microsoft Network.

7. Features of WINDOWS 98
 Graphical user interface
 Type of icons: i) Applications icons
ii) Document icons
iii) Program icons
 Start Button
 Taskbar
 Windows Explorer
 Right Mouse Button
 Long File Names
 Multitasking
 Shortcuts
 Easy Internet Access
 Help

8. Windows Me
 Windows Me Millennium Edition
 graphical operating system released on September 14, 2000
by Microsoft
 was the last operating system released in the Windows 9x series.
 for home PC users.
 It included Internet Explorer 5.5, Windows Media Player 7, and
the new Windows Movie Maker software
 Faster boot times
 Improved power management and suspend/resume
operations.
 Includes drivers for USB mass storage devices and USB printers
 Windows Me had a short shelf-life of just over a year; it was often
criticized for being buggy and unstable.

9. Windows NT
• Windows NEW TECHNOLOGY
• Intro in 1993
• Advanced 32-bit "flat" virtual OS.
• Works with Intel x86 and Alpha CPUs
• Support for power PC has been dropped
• Does not use DOS
• Self contained OS that runs 16-bit and 32-bit windows
application as well as DOS.

10. Windows 2000
Windows 2000 is a line of operating systems produced
by Microsoft for use on personal computers, business
desktops, laptops, and servers. Released on 17 February
2000,[3] it was the successor to Windows NT 4.0, and is the
final release of Microsoft Windows to display the "Windows
NT" designation. It was succeeded by Windows XP for
desktop systems in October 2001 and Windows Server
2003 for servers in April 2003. Windows Me was released
only a few months after Windows 2000 and one year before
Windows XP, but Windows Me was not intended to be, nor
did it serve as the successor to Windows 2000. Windows Me
is designed for home use, while Windows 2000 is designed
for business.

11. 2001: Windows XP
 With the release of Windows XP in October 2001,
Microsoft merged its two Windows operating system lines
for consumers and businesses, uniting them around the
Windows 2000 code base.
 The "XP" in Windows XP stands for "experience,"
symbolizing the innovative experiences that Windows can
offer to personal computer users.
 With Windows XP, home users can work with and enjoy
music, movies, messaging, and photos with their
computer

12. Microsoft Windows Vista
 Windows Vista
Released January 30, 2007
 Vista Premium-Ready PCs
 Computer: 100% IBM Compatible
 Processor: 1GHz Intel-compatible
 Memory: 1GB RAM
 Drives: 40GB disk space
DVD Drive
 Sound: Standard Sound card for sound capability.
 DirectX 9.0 compatible video card.
 64,128,256 MB of Video RAM

13. WINDOWS 7
Windows 7 is a version of Microsoft Windows, a series of
operating systems produced by Microsoft for use on
personal computers, including home and business
desktops, laptops, net books, tablet PCs, and media
center PCs. Windows 7 was released to manufacturing
on July 22, 2009, and reached general retail availability
on October 22, 2009, less than three years after the
release of its predecessor, Windows Vista. Windows 7's
server counterpart, Windows Server 2008 R2, was
released at the same time. Windows 7 will be
succeeded by Windows 8, which has no release date as
of yet.

14. Microsoft Windows 8
 Windows 8 is a personal computer operating system
developed by Microsoft as part of Windows NT family
of operating systems.
 The operating system was released to manufacturing
on August 1, 2012, and was released for general
availability on October 26, 2012
 Windows 8 introduced major changes to the operating
system's platform and user interface to improve its
user experience on tablets, where Windows was now
competing with mobile operating systems

15. Microsoft Windows 8.1
 Windows 8.1 is a version of Windows NT family of
operating systems and an upgrade for Windows 8
 Windows 8.1 is available free of charge for retail copies
of Windows 8 and Windows RT users via Windows
Store.

16. THANK YOU