OCR GCSE Computer Science · J277
Paper 1
Revise: CPU Components and FunctionsThe four common components are the Arithmetic Logic Unit (ALU), Control Unit (CU), cache and registers.
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GCSE Computer Science · key term
Small, very fast memory in the CPU that stores frequently used data and instructions for quick access.
Used by OCR
Paper 1
Revise: CPU Components and FunctionsThe four common components are the Arithmetic Logic Unit (ALU), Control Unit (CU), cache and registers.
Explain cache speed by linking quick access to frequently used data and instructions with fewer repeated fetches from RAM.
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