摘要：
Multiple Choice Questions 1Question1 The general role of an operating system is to:选择一个答案a. Provide a set of services to system usersb. Manage files for application programsc. Act as an interface between various computersd. None of the aboveFeedback:A. 为系统用户提供一系列服务B. 为应用程序管理文件(这显然不是)C. 作为多台计算机间的接口(应 阅读全文