1.0 Intro(1/1) Operating System概述 承上: Provides a set of services to systen users ·启下:EXp| oits the hardware resources of One or more processors Main memory Manages io devices secondary memory Network Card1.0 Intro(1/1) • Operating System 概述 • 承上：Provides a set of services to system users • 启下：Exploits the hardware resources of • One or more processors • Main memory • Manages I/O devices • secondary memory • Network Card • … 3