Objectives:
(a) describe common backing storage media (including magnetic tapes, hard discs, all forms of CD and DVD, memory sticks, flash memory) and their associated devices
(b) identify typical uses of the storage media, including types of access (e.g. serial/sequential, direct/random) and access speeds
(c) describe the comparative advantages and disadvantages of using different backing storage media
(d) define the term backup and describe the need for taking backups
(e) describe the difference between main/internal memory and backing storage, stating the relative benefits of each in terms of speed and permanence
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