精选优质文档-倾情为你奉上| You have to believe, there is a way. The ancients said: the kingdom of heaven is trying to enter. Only when the reluctant step by step to go to it s time, must be managed to get one step down, only have struggled to achieve it. - Guo Ge Tech习题11. 选择题(1)计算机的软件系统可分为 D 。A)程序和数据 B)操作系统和语言处理系统C)程序、数据和文档 D)系统软件和应用软件(2) 一个完整的计算机系统包括 D 。A)计算机及其外部设备 B)主机、键盘、显示器C)系统软件和应用软件 D)硬件系统和软件系统(3) 读写存储器