June 2006
Intermediate to advanced
1344 pages
42h 52m
English
Microsoft Corporation became the dominant software company in the 1980s and 1990s. In 1981, Microsoft released the first version of its DOS operating system for the IBM Personal Computer (DOS is an acronym for “Disk Operating System”). In the mid-1980s, Microsoft developed the Windows operating system, a graphical user interface built on top of DOS. Microsoft released Windows 3.0 in 1990; this new version featured a user-friendly interface and rich functionality. The Windows operating system became incredibly popular after the 1993 release of Windows 3.1, whose successors, Windows 95 and Windows 98, virtually cornered the desktop operating systems market by the late 1990s. These operating systems, which ...
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