CHAPTER 16

Overview of Disks

Disk technology has advanced tremendously in the past few years. Providing virtually unlimited on-line storage at extremely low cost, it enables highly complex software to be created without worry about size limitation, as well as frees users from having to be conscientious about what and how much data to retain. While disk storage may not be the central engine of a computer, its dynamic growth and development certainly played a pivotal role in fostering the tremendous advancement of computer systems from their early days to where they are today. Imagine what the personal computer would be like if its secondary storage had a capacity of only tens of megabytes instead of the tens of gigabytes that we now take for ...

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