What are the types of hard disks? CD-ROM means? What are the benefits of cloud storage services?

Name: ISM 2000, Chapter 7 and 8 Notes
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CHAPTER 7: SECONDARY STORAGE Storage:  Primary storage is- o Volatile storage  Loses content when the computer loses power o Temporary storage o Random Access Memory (RAM)  Secondary storage is- o Nonvolatile storage  Stores programs and data regardless of power o Permanent storage  Permanently saves information for future use Secondary Storage Characteristics:  Media- o Physical materials that hold data and programs.  Capacity- o How much the media can hold.  Storage devices- o Hardware that reads data and programs.  Access speed- o Amount of time required to retrieve data