Secondary Storage: Definition, Technology & Devices

GCSE Computer Science Resources
14-16 Years Old

48 modules covering every Computer Science topic needed for GCSE level, and each module contains:

  • An editable PowerPoint lesson presentation
  • Editable revision handouts
  • A glossary which covers the key terminologies of the module
  • Topic mindmaps for visualising the key concepts
  • Printable flashcards to help students engage active recall and confidence-based repetition
  • A quiz with accompanying answer key to test knowledge and understanding of the module
View the GCSE Resources →

KS3 Computing Resources
11-14 Years Old

We’ve created 45 modules covering every Computer Science topic needed for KS3 level, and each module contains:

  • An editable PowerPoint lesson presentation
  • Editable revision handouts
  • A glossary which covers the key terminologies of the module
  • Topic mindmaps for visualising the key concepts
  • Printable flashcards to help students engage active recall and confidence-based repetition
  • A quiz with accompanying answer key to test knowledge and understanding of the module
View the KS3 Resources →

Candidates should be able to:

  • explain the need for secondary storage
  • describe common storage technologies such as optical, magnetic and solid state
  • select suitable storage devices and storage media for a given application and justify their choice using characteristics such as capacity, speed, portability, durability and reliability.

Why is secondary storage needed?

Although RAM can store the data and program files used when a computer system is actually running, it is volatile, meaning it loses its contents without a power source.

A secondary storage device is needed in a computer . . .

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