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MICROSOFT OPERATING SYSTEMS

August 7, 2009

PREVIOUS OPERATING SYSTEMS IN MICROSOFT:

1.MS-DOS—->It released 1981, august 12th.

ADVANTAGES:

1. Smaller kernel image .
2.More versatility in installation environments.
3.Driver modification/testing without kernel reboot.
4.Reduction in memory usage
5.MS-DOS is a simple, low-overhead operating system. Memory and processor requirements are very low.
6.MS-DOS is inexpensive.
MS-DOS is stable and reliable
DISADVANTAGES:

1. Very few “new” programs available, therefore you need to be able to write programs in many cases.
2. Not nearly as fancy in the graphics department.
3. Not compatible with current “browsers” and most internet.
4.Networking with MS-DOS clients is difficult. In some cases, an MS-DOS user might be unable to connect to network resources that use long filenames (more than eight characters).
2.WINDOWS 3.0—>
It was released in May22, 1990.
1. New features have added in this version. User Interface Graphics have added in tjis version.
2. Intel 386 Processosr is a computer architecture in this version.
3. WINDOWS NT 3.1—>
It was released in 1993.
1. It was originally designed to be a powerful high-level-language-based, processor-independent, multiprocessing.
2. It was the first version of Windows to utilize 32-bit “flat” virtual memory addressing on 32-bit processors.
4. WINDOWS 95—>
It was released in 1995.
1. It is a new version of the companies “flagship” OS.
2. New feature are included in this version, that feature is completely new user interface, including a novel “START” button.
3. And also included web browser, InternetExplorer with Windows 95.
5. WINDOWS 98—>
It was released in 1998.
1.It is an updated to windows 95 that incorporated a number of Internet-focus features and support for new type of devices.
6. WINDOWS XP—>
It was released in 2001.
1. It introduced new graphical user interface.
2. XP stands for eXPerience. It was used for both business and home line.
3. It has add additional multimedia features enhancing the ability to record and watch TV shows, view DVD movie and listen to music.
Two seperate 64-bit version of Window XP were also released,
1. Windows XP 64-bit Edition for 1A-64(itanium processor).
2. Windows XP Professional X64 Edition for X86-64.
LATEST VERSION (or) CURRENT VERSION:
1. WINDOWS VISTA—>
It was released in 2007.
1.Eye Candy provided.
2.And also included lot of features in this Window Vista. Thai is given below,
  • Windows Internet Explorer 7
  • Windows sidebar
  • Instant search
  • Windows Mail
  • Windows Aero

—–>The new hardware based Graphical User Interface.

2.Microsoft Office 2007—>

It was released in 2007.

NEXT GENERATION (or) VERSION OF OS IN MICROSOFT:

Windows Vista SP 1(2008) SP 1—> Windows Vista Service Pack 1.

Windows Server 2008.

Visual Studio 2008.

SQL Server 2008.

Windows CEMENT(2010)- It is a combination of Windows CE, Windows ME and Windows NT

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