[SOLVED] CPSC 313 1

Learning Outcomes
Describe how a disk works
Given how disks work, identify the key design criteria that file systems might use to maximize performance of the disk system.
6.1.2, 6.1.3, 6.1.4

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CPSC 313 1

Extending our View of a Computer System
Execution Cores
Execution Cores
Bus Interface
Host bus adapter
System bus
I/O Bridge
Memory bus

Modern Disk Drives

Disk Heads
Disk Surface

Disk Sector Numbering
CPSC 313 5

Disk Drive Performance
Speed of a disk drive is a function of: RPM (7200 10,000)
Size of the device (1.8 3.5)
Density (bits per track; tracks per inch) 500-600Gbit/in2 Capacity

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