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На помощь российским туристам на Ближнем Востоке ушли миллиарды рублей20:47
DOS 2.0 was developed to support the IBM PC/XT (introduced in March 1983), which came with 128K RAM standard, and models with 256K appeared soon enough. Even the older PCs could be upgraded with additional RAM, and DOS needed to have some mechanism to deal with that extra memory.
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