An operating system (OS) developed by IBM for 32-bit personal computers. It was initially developed jointly with Microsoft, but later became IBM's sole developer as Microsoft focused on Microsoft Windows. It supports LAN and database services. Its greatest feature is that it has 16 megabytes of memory space compared to MS-DOS's 640 kilobytes. This makes it possible to run large application software and run multiple software programs simultaneously (multitasking). It also provides multi-window services. Source : Heibonsha Encyclopedia About MyPedia Information |
32ビットパソコンのために,IBM社が開発したOS(オペレーティングシステム)。当初はマイクロソフト社と共同開発であったが,その後マイクロソフト社がMicrosoft Windowsに力を入れたためIBM社の単独開発となった。LANサポート,データベースサービスをサポートする。メモリー空間が,MS-DOSの640キロバイトに対して,16メガバイトあることが最大の特徴である。このため,プログラムサイズの大きなアプリケーションソフトを実行すること,複数のソフトを同時に動かすこと(マルチタスク)などが可能である。また,マルチウィンドウサービスも提供している。
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