The document discusses the history and features of different versions of the Windows operating system. It describes Windows 1.0-2.0 as the first graphical user interface versions. Windows 3.0 introduced virtual memory and better multitasking. Windows 95 was a complete operating system that improved the interface. Later versions such as Windows 7, 8, 10 focused on touch optimization, cloud integration, and addressing interface issues. The document also outlines common operating system functions like process management, memory management, and device management implemented across Windows versions.

1. Features of windows

2. What is meant by
Windows Operating System?
 A group of several graphical operating system families, all
of which are developed, marketed, and sold by Microsoft.
 As a graphical operating system shell for MS-DOS in
response to the growing interest in graphical user interfaces
(GUIs).

3. Windows Timeline
1990-1994
1995
1998
2000
2001
1985-1992
Windows 3.0-3.1
Windows 95
Windows 98
Windows 2000
Windows XP
Windows 1.0-2.0

4. Windows Timeline(Contd.)
2009
2012
2015
2006
Windows 7
Windows 8
Windows 10
Windows Vista

5. Windows 1.x
• Pure operating environment
• Used GUI(Graphical user
interface)
• Simple graphics

6. Windows 2.x
• 16-bit Microsoft Windows GUI-
based operating environment
• Faster than 1.x
• Introduced the control panel
• Introduced first version on
excel
and word

7. Windows 3.x
• Operated with 8086
microprocessor
• Virtual memory
• Operated with 6-7 MB of free
space of hard drive
• Better multitasking

8. Windows 95
• A complete operating system
• Improved windows control and
appearance
• Right button menu
• Task bar and start menu

9. Windows XP
• Advanced portable PC support
• Automatic wireless connection
support
• Fast start-up
• Help and support center
• Better graphical user interface

10. Windows 7
• Introduced a large number of
new features
• Incremental upgrade to the
Windows line
• Windows 7 has multi-touch
support
• redesigned Windows shell
with an updated taskbar
• a home networking system
called Home Group, and
performance improvements.

11. Windows 8
• Optimizations for touch-based
• Devices such as tablets and all-in-one
pcs
• Increased integration with cloud
services
• Other online platforms (such as social
networks and microsoft's own onedrive
(formerly skydrive) and xbox live
services)
• The Windows Store service for
software distribution

12. Windows 10
• Addresses shortcomings in the user
interface first introduced with
windows 8
• The return of the start menu
• A virtual desktop system
• The ability to run windows store apps
within windows on the desktop rather
than in full-screen mode
• Includes new icons and right-click
context menus, default printer
management, four times as many tiles
allowed in the start menu, find My
Device, and Edge updates.

13. Versions of Windows

14. Application in Windows
 We can find almost all
types of application in
windows store. Which we
need in our daily life.
 Many applications like
Adobe Photoshop
Enterprise, Adobe Reader,
Facebook, Messenger,
Media Players etc can be
found in Windows Store.

15. Most Common Features
 Program Execution
 Providing user interface
 Handling input/output operations
 Error handling
 Memory management
 Process management

16. Functions of an operating system
1. Process management
Code execution
Context switching
Multitasking
2. Memory management
Allocation
Sharing
Protection
Virtual memory
3. Device management
Input / Output
Disk access
Interrupt handling

17. Any one can install any
types of software & games
into windows.
It is compatible of all
types of software &
games.
Compatibility

18. Security
• It is less secured than
other Operating System
due to its popularity.
• There are about 60,000
viruses known for
Windows.
• There are numerous anti
virus program in
windows.

19. Popularity (Cont.)
Now a days Windows
Operating System provides
the highest amount of
vendors among all the
Operating System
Windows OS provides more
than 50% of the total Vendors
while Mac OS X provides
about 20% and Linux
provides about 25%.

20. Price?
Windows is less expensive.
It can be found around 40%
cheaper than a Mac.
Current prices are available
on Amazan.com

21. Properties of computer / drive
Select computer
>right click >
properties

22. How to change the name of drive / folder
Select drive >
right click on it
> rename

23. Computer management
Select computer > right
click on it > manage

26. How to make partitions of a drive
Right click on
computer> manage >
Disk management