Chapter s Operating System 5.1.2 User interface related functions A variety of computational structures can be defined by an os. A sample list of computational structures is as follows: 1. A single program 2. A sequence of single programs 3. A collection of programs 不同的计算结构可由操作系统决定。计算结构举例如下: 1.单一程序 2.单一程序的序列 3.程序集合 《什第机专出美语 5-21Chapter 5 Operating System 计算机专业英语 5-21 A variety of computational structures can be defined by an OS. A sample list of computational structures is as follows: 1. A single program 2. A sequence of single programs 3. A collection of programs. 不同的计算结构可由操作系统决定。计算结构举例如下: 1. 单一程序 2. 单一程序的序列 3. 程序集合 5.1.2 User interface related functions