CS计算机代考程序代写 scheme chain file system algorithm Storing Data: Disks and Files
Storing Data: Disks and Files 1 11.1 Memory Hierarchy • Primary Storage: main memory. fast access, expensive. • Secondary storage: hard disk. slower access, less expensive. • Tertiary storage: tapes, cd, etc. slowest access, cheapest. 2 11.2 Disks Characteristics of disks: • collection of platters • each platter = set of tracks • each track […]
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