正解は、「中央演算処理装置」でした！
CPUとは「Central Processing Unit（中央処理装置）」の略称です。パソコンやスマートフォンなどの電子機器の中で、計算や命令の実行を担当する中核的な部品を指します。一般的に、「コンピュータの頭脳」と表現され、プログラムの指示を解釈し、必要な計算や処理を行う役割を担っています。
具体的には、ソフトウェアから送られてくる命令を読み取り、計算を実行し、その結果をメモリや他の装置に伝えるという一連の流れを高速で繰り返しています。CPUの性能は、動作周波数（GHz）やコア数などによって表され、これらの数値が高いほど多くの処理を同時に、かつ速く行える傾向があります。
次回の難解略語もお楽しみに！
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