ibm personal computer dos造句

Perhaps the first public mention of the operating system was in July 1981, when " Byte " discussed rumors of a forthcoming personal computer with " a CP / M-like DOS . . . to be called, simply,'IBM Personal Computer DOS .'" 86-DOS was rebranded IBM PC DOS 1.0 for its August 1981 release with the IBM PC . The initial version of DOS was largely based on CP / M-80 1 . x and most of its architecture, function calls and file naming conventions were copied directly from the older OS . The most significant difference was the fact that it introduced a different file system, FAT12.
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