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Margarete M


Date added:

April 19, 2017








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Microsoft Windows versions 3.x provided a protected mode graphical operating environment that ran existing MS-DOS applications and allowed Windows applications to break the 640K barrier. There are three types of memory that Windows 3.x can use or provide (conventional, extended, and expanded). Conventional memory is the first 640K of memory in your machine...
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Conventional memory is the first 640K of memory in your machine. MS- DOS has a limit of 1024K of addressable memory (conventional memory plus the UMA), and all MS-DOS applications must run within this conventional memory. All Windows 3.x-operating modes share this limitation for running MS-DOS applications, but standard and 386 enhanced modes break the 640K limitations for running Windows applications...
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