The syllabus says that you should be able to:

  1. describe common backing storage media and their associated devices:
    • magnetic tapes,
    • CDs (all types),
    • DVDs (all types),
    • DVD-RAM discs,
    • HD DVD discs,
    • Blu-Ray discs,
    • hard discs,
    • memory sticks,
    • flash memory
  2. identify typical uses of the storage media, including types of access (e.g. serial/sequential, direct/random) and access speeds;
  3. describe the comparative advantages and disadvantages of using different backing storage media;
  4. define the term backup and describe the need for taking backups;
  5. describe the difference between main/internal memory and backing storage, stating the relative benefits of each in terms of speed and permanence.

Sorry to ask you this, but...


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