Multiprogramming(多道程序techniques From Simple Batch system-Multiprogramming system Memory must be shared by multiple programs CPU must be multiplexing()by multiple programs 4 basic components: ●Process management ②Memory management 1/O system management file management 口1⊙生年12月0C 陈话兰xlanchen@ustc.edu.cn http/staff.u0117401 Operating System计算机原理与连 March27,20197/88. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Multiprogramming(多道程序) techniques From Simple Batch system →Multiprogramming system ▶ Memory must be shared by multiple programs ▶ CPU must be multiplexing(复用) by multiple programs ▶ 4 basic components: 1 Process management 2 Memory management 3 I/O system management 4 file management 陈香兰 xlanchen@ustc.edu.cn http://staff.ustc.edu.cn/~xlanchen (Computer Application Laboratory, CS, USTC @ Hefei Embedded System Laboratory, CS, USTC @ Suzhou) 0117401: Operating System 计算机原理与设计 March 27, 2019 7 / 88