Windows is a series of graphical operating systems developed by Microsoft to overcome the limitations of MS-DOS. The first successful versions were Windows 3.0 in 1990, followed by Windows 98, 2000, XP, Vista, 7, and the latest Windows 8. Common features of Windows OS include program execution, interfaces, input/output handling, error handling, memory management, and process management. Current versions include Windows 2000, XP, Vista, 7, and 8, with each subsequent version introducing new features and improvements related to performance, security, and usability.
What is anOperating System
• An operating system
is a software, consisting
of programs and data,
that runs on computers
and manages the
computer hardware and
provides common
services for efficient
execution of various
application software.
3.
History
Microsoft Windows operatingsystem was
developed by Microsoft to overcome the
limitation of its own MS-DOS Operating System.
First successful version were Windows 3.0, in
1990.
Subsequently released version were Windows
98, Windows 98, Windows 2000, Windows XP,
Windows Vista, Windows 7 & latest Windows 8.
4.
Common Features ofWindows OS
Program Execution
Providing Interfaces
Handling Input / Output Operations
Error Handling
Memory management
Process management
Windows 2000
• Firstlyreleased on 17 February, 2000
• Mostly used on Personal Computers,
Business desktops and Laptops
• Designed for home use
• Windows File protection Introduced
• System File Checker facility
7.
Windows XP
• Releasedin August, 2001
• “XP” is the short form of experience.
• First consumer orientated & Mostly
populated product of MS-DOS
• Anti-aliased 2D graphics, textures
• Taskbar buttons for running applications
and Quick Launch
8.
Windows XP Professional
•Detection any type of error
• complete digital media support
• Premier mobile support for the ability to
work offline
• Greater security, encrypt files and folders
• Built-in high performance multiprocessor
9.
Windows Vista
• WindowsAero
• Improved Searching Features
• Redesigned printing, audio, networking
and display Parental Control
• Windows Mail
• Speech Recognition (Accessibility)
10.
Windows 7
• ImprovedBoot Performance
• Redesigned Taskbar
• Aero Snap
• Support for SSD
• Enhanced Stability
• Network Virtualization