A revision booklet supporting OCR J276 Computer Science Revision for specification point 1.3 Storage:
the need for secondary storage
- data capacity and calculation of data capacity requirements
- common types of storage:
- optical
*magnetic
*solid state - suitable storage devices and storage media for a given application, and the advantages and
- disadvantages of these, using characteristics:
*capacity
*speed
*portability
*durability
*reliability
*cost.
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