Overview of Learning

• The need for secondary storage
• Data capacity and calculation of data capacity requirements
• Common types of storage (Secondary Memory):
  • optical
  • magnetic
  • solid state
  • flash
• Suitable storage devices and storage media for a given application, and the advantages and disadvantages of these, using characteristics (CAD-PRAT):
  • Capacity
  • Affordability
  • Durability
  • Portability
  • Reliability
  • Access speeds
  • Typical use

• GCSE 1.3 Suitable storage devices and storage media for a given application

• GCSE 1.3 The need for secondary storage

• GCSE 1.3 Common types of storage

• GCSE 1.3 Data capacity and calculation of data capacity requirements