In computers, the actual physical structure of the hardware is converted into a logical structure that is convenient for the user who writes the program by using an appropriate conversion mechanism. This concept has led to the generalization and standardization of computers that are realized using specific hardware. A virtual memory is a storage device that is made up of a high-speed main storage device with a limited capacity and a low-speed auxiliary storage device with a large capacity, and is virtualized so that it appears to be made up only of the high-speed main storage device with almost no capacity limit. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
コンピューターにおいて,ハードウェアが実際にもっている物理構造を,適当な変換機構を介在させることにより,プログラムを作成する利用者にとってつごうのよい別の論理構造をもつものとみなせるようにすることを,ごく一般的に仮想化という。この考え方により,特定のハードウェアによって実現されているコンピューターの一般化,共通化が行われている。限られた容量の高速な主記憶装置と大容量の低速の補助記憶装置から構成されて,記憶装置を見かけ上,容量の制限のほとんどない高速の主記憶装置のみから構成されているように仮想化したものを仮想記憶virtual memoryという。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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