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← 1.5 Central Processing Unit (CPU)

Cache and the memory hierarchy

Computer Studies · Grade 10 · about 40 minutes

Why registers, L1, L2, L3, RAM and disk form a pyramid, and how cache stops the CPU waiting for memory.

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Other lessons in this sub-strand

  1. The structural elements of the CPU and their functions
  2. Types of CPU, advancement, and choosing a processor
  3. Tracing the fetch-decode-execute cycle
  4. Cache and the memory hierarchy
  5. CPU performance and cooling
  6. Identifying CPUs in real devices