Execute stage

The CPU sends the decoded instruction (decoded from the CU) as a set of control signals to corresponding components. Depending on the type of instruction, any of these can happen:

* Arithmetic/logical operations can be executed by the ALU (for example, ADD, SUB, AND, OR)
* Read/writes from memory can be executed (for example, loading/storing bytes)
* Control flow alterations can be executed (for example, jumps or branches) - at this stage, if a jump were to occur, instead of the PC incrementing to the

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