Computing hardware questions 0.0 / 5 ? ComputingGCSEOCR Created by: EleanorCreated on: 31-05-13 18:54 What does the CPU need to run? Cache memory and RAM 1 of 6 What are the 4 main purposes of the CPU? Control movement of data/instructions, fetch data from memory, decode and execute instructions and perform arithmetical/logical operations 2 of 6 What does the computer do when it's switched on? Look in ROM for the boot seqeunce 3 of 6 What does the performance of the CPU depend on? Cache size, amount of RAM, number of cores, bus speed 4 of 6 What is the clock speed determined by? The clock chip 5 of 6 Why does having a larger cache speed up processing time? Larger cache = more space for instructions = less 6 of 6
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