Parts of the CPU

Descripción

A level Computing Mapa Mental sobre Parts of the CPU, creado por Matt Smith el 31/01/2017.
Matt Smith
Mapa Mental por Matt Smith, actualizado hace más de 1 año
Matt Smith
Creado por Matt Smith hace más de 7 años
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Resumen del Recurso

Parts of the CPU
  1. The Accumulator
    1. Stores result of the ALU
    2. The ALU
      1. Does the maths and comparison of the CPU
      2. The Program Counter
        1. Holds the address of the next instruction
        2. The Memory Address Register
          1. Stores address in RAM of what needs to be fetched
          2. The Current Instruction Register
            1. Stores the current instruction
            2. The Control Bus
              1. Allows the Control unit to talk to the RAM
              2. The Memory Data Register
                1. Stores the value received from RAM
                2. The Control Unit
                  1. Tells RAM what to do
                  2. The Data Bus
                    1. Allows the RAM to talk to the MDR
                    2. The Address Bus
                      1. Allows the MAR to talk to the RAM
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