SU M MARY S L I D E
• This presentation is basically planned for the students of all
the levels keeping in mind a need to develop their interest in
COMPUTERS and Information Technology field.
• The content of this presentation shows the evolution of
computer from the past and its journey towards the future.
• The presentation consists of hyperlinks. So automatic slide
transition is avoided.
• Moreover in the quiz, a single click will show question and
on clicking second time will display the correct answer.
• The use of action buttons is made to navigate between the
slides during slideshow.
So the definition changes!!!
The technological advancements happening
in the society are based on a most important
invention of older times….
Yes, a COMPUTER.
A Computer is an electronic device used for
storing & retrieving data and for calculation
purposes such as all sort of arithmetical and
HISTORY OF COMPUTERS Main Menu
Microsoft Windows is a series of software
operating systems and graphical user interfaces
produced by Microsoft.
As of October 2009, Windows had approximately
91% of the market share of the client operating
systems for usage on the Internet
The most recent client version of Windows is
Windows 8; the most recent server version is
Windows Server 2008 R2; the most recent mobile
device version is Windows Mobile 6.5.
Windows 2.0 was released in October 1987.
Windows 2.0 allowed application windows to overlap each
other and also introduced more sophisticated keyboard-
shortcuts. It could also make use of expanded memory
Windows 2.10 was released in May 1988
Windows 2.10 was released in two different flavors:
Windows/386 and Windows/286
Windows 2.11 was released in March 1989
Windows 3.0 was released in May 1990
Windows 3.0 improved the design because of virtual memory and
loadable virtual device drivers which allowed to share arbitrary
devices between multitasked DOS windows.
Windows 3.1x was released in March 1992
With the introduction of Windows 3.11, Windows
was able to bypass DOS for file management
operations using 32-bit file access.
Windows 95 was released in August 1995
Windows 95 was a new, and major, consumer
version that made further changes to the user
interface, and also used preemptive multitasking.
Windows 95 was designed to replace not only
Windows 3.1, but also Windows for Workgroups,
and MS-DOS. It was also the first Windows
operating system to use Plug and Play capabilities.
The Screenshot ofWindows 95 looked like,
Windows 98 was released in June 1998
Windows 98 was substantially criticized for its
slowness and for its unreliability compared with
Windows 95, but many of its basic problems were
later rectified with the release of Windows 98
Second Edition in May 1999
The Screenshot ofWindows 98 looked like,
Windows 2000 was released in February 2000 which
updated the core fromWindows 98
Windows ME (Millennium Edition) was released in
Windows ME updated the core fromWindows 98
but adopted some aspects ofWindows 2000 and
removed the "boot in DOS mode" option
It also added a new feature called System Restore,
allowing the user to set the computer's settings
back to an earlier date.
The Screenshot ofWindows ME looked like,
Windows XP was released in October 2001
Windows XP was a version built on the Windows
NT kernel that also retained the consumer-
oriented usability of Windows 95 and its
successors. This new version was widely praised
in computer magazines. It shipped in two distinct
editions, "Home" and "Professional“.
Windows XP Professional was released in April
The Screenshot ofWindows XP looks like,
Windows Vista for volume licensing was released
in November 2006, while for retails it was released
in January 2007
It contains a number of new features, from a
redesigned shell and user interface to significant
technical changes, with a particular focus on
It is available in a number of different editions,
and has been subject to some criticism.
The Screenshot ofWindowsVista looks like,
Windows 7 was released in October 2009
Windows 7 is the latest version of Operating
System. Mostly all the new computers comes
The Screenshot of 7 looks like,
• Windows 8 is an operating system for use on
personal computers, laptops, tablets, and home
• Its existence was first announced in January 2011 at
Consumer Electronics Show.
• Windows 8 is scheduled for general availability on
October 26, 2012.
• Windows 8 introduces significant changes to the
operating system's graphical user interface and
platform, such as a new interface design
incorporating a new design language used by other
Microsoft Office is an office suite of interrelated
desktop applications, servers and services for the
Microsoft Windows and Mac OS X operating
systems, was introduced by Microsoft in 1989.
Office contained Microsoft Word, Microsoft Excel,
and Microsoft PowerPoint.
Additionally, a "Pro" (Professional) version of Office
included Microsoft Access and Schedule Plus.