Embedded Systems

Instruction Backup
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Instruction Backup

When a program references a page that is not in memory, the instruction causing the fault is stopped partway through and a trap to the operating system takes place. After the operating system has fetched the page required, it must restart the instruction causing the trap. This

The MS-DOS File System
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The MS-DOS File System

The MS-DOS file system is the one the first IBM PCs came with. It was the main file system up through Windows 98 and Windows ME. It is still supported on Windows 2000, Windows XP, and Windows Vista, although it is no longer standard on new PCs now except for floppy disks.

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