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CompTIA Strata™ IT Fundamentals by Michael Meyers, Scott Jernigan

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CHAPTER 10Advanced Storage Topics

In this chapter, you will learn how to

• Explain how hard drives store data

• Describe the differences between traditional hard drives and flash-based storage

• Explain how SCSI technology works

In Chapter 4, you learned about floppy drives, hard drives, and optical drives, but these drives are more than just their physical components. An OS can only read to and write from a properly configured hard drive. Flash-based storage, including solid-state hard drives, removes the mechanical components of traditional hard drives, increases speeds, and saves energy. Before eSATA and USB emerged as dominant external storage connectors, the SCSI interface was the only high-performance connection available. This chapter ...

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