7499437
Description
Mind Map by Matt Smith, updated more than 1 year ago
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Created by Matt Smith
about 7 years ago
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Parts of the CPU
- The Accumulator
- Stores result of the ALU
- Stores result of the ALU
- The ALU
- Does the maths and comparison of the CPU
- Does the maths and comparison of the CPU
- The Program Counter
- Holds the address of the next instruction
- Holds the address of the next instruction
- The Memory Address Register
- Stores address in RAM of what needs to be fetched
- Stores address in RAM of what needs to be fetched
- The Current Instruction Register
- Stores the current instruction
- Stores the current instruction
- The Control Bus
- Allows the Control unit to talk to the RAM
- Allows the Control unit to talk to the RAM
- The Memory Data Register
- Stores the value received from RAM
- Stores the value received from RAM
- The Control
Unit
- Tells RAM what to do
- Tells RAM what to do
- The Data Bus
- Allows the RAM to talk to the MDR
- Allows the RAM to talk to the MDR
- The Address Bus
- Allows the MAR to talk to the RAM
- Allows the MAR to talk to the RAM
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