The CPU

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  • Created by: Adam3486
  • Created on: 13-02-17 20:15
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  • The CPU
    • Controller: This sends and receives signals from all parts of the computer and ensure they take place at the right time and correct order
    • Arithmetic logic unit (ALU):This processes and manipulates data and perform basic calculations
    • Registers: This is a storage location where data is temporarily stored and they are usully much faster to access the internal memory
    • Internal memory: This is a fast access memory on the CPU when data is not actively being used
    • Buses: These allow data to be transferred to different parts of the computer
    • Fetch-decode-execute cycle  1. The instruction is fetched from memory         2. It is decoded to determine what action needs to be carried out     3. The instruction is executed

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