The instruction execution cycle is the series of steps a CPU repeats to process each instruction, consisting primarily of fetch (reading the instruction from memory), decode (interpreting the instruction), and execute (carrying out the operation). The program counter holds the address of the next instruction to execute and is updated after each fetch. Optimizing this cycle is a fundamental approach to improving CPU performance.

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• 2012h24a #76コンピュータにおける命令の実行順序に関する次の記述中の a, b に入れる字句の適切な組合せはどれか。 コンピュータにおける命令の実行順序は, (1) プログラ…