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
The CPU component that performs arithmetic calculations and logical operations, including comparisons.
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.
Give a specific function: the CU decodes instructions and sends control signals; the ALU performs arithmetic and logical operations.
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