Parts of the CPU

Matt Smith
Mind Map by Matt Smith, updated more than 1 year ago
Matt Smith
Created by Matt Smith over 3 years ago
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Description

A level Computing Mind Map on Parts of the CPU, created by Matt Smith on 01/31/2017.

Resource summary

Parts of the CPU
1 The Accumulator
1.1 Stores result of the ALU
2 The ALU
2.1 Does the maths and comparison of the CPU
3 The Program Counter
3.1 Holds the address of the next instruction
4 The Memory Address Register
4.1 Stores address in RAM of what needs to be fetched
5 The Current Instruction Register
5.1 Stores the current instruction
6 The Control Bus
6.1 Allows the Control unit to talk to the RAM
7 The Memory Data Register
7.1 Stores the value received from RAM
8 The Control Unit
8.1 Tells RAM what to do
9 The Data Bus
9.1 Allows the RAM to talk to the MDR
10 The Address Bus
10.1 Allows the MAR to talk to the RAM
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