The fetch-decode-execute cycle is followed by a processor to process an instruction. The cycle consists of several stages. Depending on the type of instruction, additional steps may be taken: If the ...
Instruction Fetch Phase: The program counter (PC) selects the next instruction from instruction memory. The PC is updated sequentially or modified by branch and jump logic. Instruction Decode Phase: ...
The registers and key elements of the Von Neumann architecture all play a part in how an instruction is processed in the fetch-decode-execute cycle.
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