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Why secondary storage exists

Why secondary storage exists

Branching comparison of secondary storage showing magnetic, optical and solid-state examples plus key comparison words

Secondary storage keeps data and programs when the power is off. RAM is fast but usually volatile, so its contents disappear when the computer shuts down.

Secondary storage Lesson

  1. GCSE
  2. /Computer Science
  3. /Secondary storage

Step-by-step lessons on OCR GCSE Computer Science Secondary storage. Each one builds up to exam-style questions. Build strong foundations in binary, logic and core programming constructs before moving on to the more complex algorithm design and evaluation questions.

Lessons