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نام فایل:تحقیق در مورد Microsoft Windows
فرمت فایل:word و قابل ویرایش
تعداد صفحات فایل:7 صفحه
قسمتی از
فایل:
Microsoft Windows is the name of several
families of software operating systems by Microsoft. Microsoft first introduced an
operating environment named Windows in November 1985 as an add-on to MS-DOS in response to the growing interest in graphical user
interfaces (GUIs).[1] Microsoft Windows came to dominate the world's personal computer market, overtaking Mac OS, which had been introduced previously. At
the 2004 IDC
Directions conference, IDC Vice President Avneesh Saxena stated that Windows
had approximately 90% of the client operating system market.[2] The most recent client version of
Windows is Windows Vista. The
current server version of Windows is Windows Server 2008.
The
box art of Windows 1.0, the first version that Microsoft released to the
public.
The term Windows
collectively describes any or all of several generations of Microsoft (MS)
operating system (OS) products. These products are generally categorized as
follows:
16-bit operating environments
The early versions of
Windows were often thought of as just graphical user interfaces, mostly because
they ran on top of MS-DOS and used it for file system services.[3] However, even the earliest 16-bit
Windows versions already assumed many typical operating system functions,
notably, having their own executable file format
and providing their own device drivers
(timer, graphics, printer, mouse, keyboard and sound) for applications. Unlike MS-DOS, Windows allowed users to execute multiple graphical
applications at the same time, through cooperative
multitasking. Finally, Windows implemented an elaborate,
segment-based, software virtual memory scheme, which allowed it to run applications
larger than available memory: code segments and resources were
swapped in and thrown away when memory became scarce, and data segments moved
in memory when a given application had relinquished processor control,
typically waiting for user input.[citation needed]
16-bit Windows versions include Windows 1.0 (1985), Windows 2.0 (1987) and its close relative, Windows/286.
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