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Data storage
Recognize the concept of primary storage, including its direct access by the CPU and the functions of random access memory (RAM) and read-only memory (ROM), as well as the necessity of both types and their differences.
6
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60
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42
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90 min
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CambridgeIGCSEComputer ScienceSubject content
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Data storage outcomes6 objectives
- Recognize the concept of primary storage, including its direct access by the CPU and the functions of random access memory (RAM) and read-only memory (ROM), as well as the necessity of both types and their differences.
- Recognize the concept of secondary storage, which is not directly accessible by the CPU and is essential for the long-term storage of data.
- Explain how magnetic, optical, and solid-state storage operate, providing examples of each type, including hard disk drives (HDD), CDs, DVDs, Blu-rays, solid-state drives (SSD), SD cards, and USB drives, along with the process of data transfer between RAM and these storage types.
- Describe the concept of virtual memory, including its creation, usage, and necessity, as well as its relationship with cloud storage that can be accessed remotely.
- Recognize the concept of cloud storage and how it compares to local data storage.
- Discuss the pros and cons of cloud storage versus local storage, including the requirement for physical servers to maintain cloud data.
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