Computer Science 3.0 / 5 based on 2 ratings ? ComputingComputer systemsGCSEOCR Created by: CheifOfGamingCreated on: 29-04-15 17:07 What does the CPU do? The CPU carries out all the processing of a computer 1 of 5 What does the ALU do? The ALU carries out all the arithmatic and logic operations 2 of 5 What does RAM stand for? RAM stands for Random Access Memory 3 of 5 What does ROM stand for? ROM stands for Read Only Memory 4 of 5 When is virtual memory used? Virtual Memory is used as an extension to RAM. It is used when the PC does not have enough RAM to store the programs/data required 5 of 5
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